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11090910111 = 3113173281673
BaseRepresentation
bin10100101010001000…
…11101101110011111
31001121221111121110120
422111010131232133
5140203233110421
65032312410023
7541562115621
oct122504355637
931557447416
1011090910111
114781590a16
1221963a6913
131079a07908
14772db6c11
1544da4a8c6
hex29511db9f

11090910111 has 32 divisors (see below), whose sum is σ = 15080755392. Its totient is φ = 7249428480.

The previous prime is 11090910079. The next prime is 11090910161. The reversal of 11090910111 is 11101909011.

It is not a de Polignac number, because 11090910111 - 25 = 11090910079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11090910161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16479471 + ... + 16480143.

It is an arithmetic number, because the mean of its divisors is an integer number (471273606).

Almost surely, 211090910111 is an apocalyptic number.

11090910111 is a deficient number, since it is larger than the sum of its proper divisors (3989845281).

11090910111 is a wasteful number, since it uses less digits than its factorization.

11090910111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 81, while the sum is 24.

The spelling of 11090910111 in words is "eleven billion, ninety million, nine hundred ten thousand, one hundred eleven".

Divisors: 1 3 113 173 281 339 519 673 843 2019 19549 31753 48613 58647 76049 95259 116429 145839 189113 228147 349287 567339 5493269 13156477 16479807 21369769 32716549 39469431 64109307 98149647 3696970037 11090910111