113256912128 has 72 divisors (see below), whose sum is σ = 238077107520. Its totient is φ = 53623848960.

The previous prime is 113256912107. The next prime is 113256912137. The reversal of 113256912128 is 821219652311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15517376 + ... + 15524672.

Almost surely, 2^113256912128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113256912128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119038553760).

113256912128 is an abundant number, since it is smaller than the sum of its proper divisors (124820195392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113256912128 is an equidigital number, since it uses as much as digits as its factorization.

113256912128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10523 (or 10509 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The spelling of 113256912128 in words is "one hundred thirteen billion, two hundred fifty-six million, nine hundred twelve thousand, one hundred twenty-eight".