113173686528 has 432 divisors, whose sum is σ = 360121567680. Its totient is φ = 31448481792.

The previous prime is 113173686517. The next prime is 113173686533. The reversal of 113173686528 is 825686371311.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 357014626 + ... + 357014942.

It is an arithmetic number, because the mean of its divisors is an integer number (833614740).

Almost surely, 2^113173686528 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 113173686528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180060783840).

113173686528 is an abundant number, since it is smaller than the sum of its proper divisors (246947881152).

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

113173686528 is a wasteful number, since it uses less digits than its factorization.

113173686528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 561 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The spelling of 113173686528 in words is "one hundred thirteen billion, one hundred seventy-three million, six hundred eighty-six thousand, five hundred twenty-eight".