11111100001101 has 8 divisors (see below), whose sum is σ = 16460888890560. Its totient is φ = 7407400000716.

The previous prime is 11111100001061. The next prime is 11111100001187. The reversal of 11111100001101 is 10110000111111.

It is not a de Polignac number, because 11111100001101 - 2¹⁷ = 11111099870029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111100011101) 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 7 ways as a sum of consecutive naturals, for example, 205761111105 + ... + 205761111158.

It is an arithmetic number, because the mean of its divisors is an integer number (2057611111320).

Almost surely, 2^{11111100001101} is an apocalyptic number.

It is an amenable number.

11111100001101 is a deficient number, since it is larger than the sum of its proper divisors (5349788889459).

11111100001101 is an equidigital number, since it uses as much as digits as its factorization.

11111100001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411522222272 (or 411522222266 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 11111100001101 its reverse (10110000111111), we get a palindrome (21221100112212).

The spelling of 11111100001101 in words is "eleven trillion, one hundred eleven billion, one hundred million, one thousand, one hundred one".