113529255891 has 16 divisors (see below), whose sum is σ = 165446811648. Its totient is φ = 68936169600.

The previous prime is 113529255863. The next prime is 113529255893. The reversal of 113529255891 is 198552925311.

It is a de Polignac number, because none of the positive numbers 2^k-113529255891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (113529255893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35902675 + ... + 35905836.

It is an arithmetic number, because the mean of its divisors is an integer number (10340425728).

Almost surely, 2^113529255891 is an apocalyptic number.

113529255891 is a deficient number, since it is larger than the sum of its proper divisors (51917555757).

113529255891 is a wasteful number, since it uses less digits than its factorization.

113529255891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71808562.

The product of its digits is 972000, while the sum is 51.

The spelling of 113529255891 in words is "one hundred thirteen billion, five hundred twenty-nine million, two hundred fifty-five thousand, eight hundred ninety-one".