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11111000001101 = 71113101154970949
BaseRepresentation
bin1010000110101111101100…
…1101010100101001001101
31110100012102200201222022022
42201223323031110221031
52424020312000013401
635344153430455525
72224512636501020
oct241537315245115
943305380658268
1011111000001101
1135a416a923710
1212b54775045a5
136279bbb5b790
142a5abd4a71b7
1514405148371b
hexa1afb354a4d

11111000001101 has 64 divisors (see below), whose sum is σ = 15075910080000. Its totient is φ = 7907580288000.

The previous prime is 11111000001089. The next prime is 11111000001131. The reversal of 11111000001101 is 10110000011111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11111000001101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111000001131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 156569975 + ... + 156640923.

It is an arithmetic number, because the mean of its divisors is an integer number (235561095000).

Almost surely, 211111000001101 is an apocalyptic number.

11111000001101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11111000001101 is a deficient number, since it is larger than the sum of its proper divisors (3964910078899).

11111000001101 is a wasteful number, since it uses less digits than its factorization.

11111000001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72630.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 11111000001101 its reverse (10110000011111), we get a palindrome (21221000012212).

The spelling of 11111000001101 in words is "eleven trillion, one hundred eleven billion, one thousand, one hundred one".

Divisors: 1 7 11 13 77 91 101 143 707 1001 1111 1313 1549 7777 9191 10843 14443 17039 20137 70949 101101 119273 140959 156449 221507 496643 780439 922337 1095143 1550549 1720939 2033837 5463073 6456359 7165849 10145707 12046573 14236859 22372207 50160943 71019949 78824339 93156037 109900001 156605449 551770373 652092259 769300007 1024716407 1208900011 1428700013 7173014849 8462300077 10000900091 11099900101 15715700143 77699300707 110009901001 122098901111 144298701313 854692307777 1010090909191 1587285714443 11111000001101