111110100999957 has 12 divisors (see below), whose sum is σ = 162523917075520. Its totient is φ = 73135762683048.

The previous prime is 111110100999943. The next prime is 111110100999959. The reversal of 111110100999957 is 759999001011111.

It is a happy number.

It is not a de Polignac number, because 111110100999957 - 2¹⁸ = 111110100737813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110100999959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78136497883 + ... + 78136499304.

Almost surely, 2^{111110100999957} is an apocalyptic number.

It is an amenable number.

111110100999957 is a deficient number, since it is larger than the sum of its proper divisors (51413816075563).

111110100999957 is a wasteful number, since it uses less digits than its factorization.

111110100999957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156272997272 (or 156272997269 counting only the distinct ones).

The product of its (nonzero) digits is 229635, while the sum is 54.

The spelling of 111110100999957 in words is "one hundred eleven trillion, one hundred ten billion, one hundred million, nine hundred ninety-nine thousand, nine hundred fifty-seven".