115331520 has 112 divisors (see below), whose sum is σ = 385511040. Its totient is φ = 29131776.

The previous prime is 115331509. The next prime is 115331527. The reversal of 115331520 is 25133511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115331527) 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, 15079 + ... + 21401.

Almost surely, 2^115331520 is an apocalyptic number.

115331520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115331520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192755520).

115331520 is an abundant number, since it is smaller than the sum of its proper divisors (270179520).

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

115331520 is a wasteful number, since it uses less digits than its factorization.

115331520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6362 (or 6352 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 115331520 is about 10739.2513705565. The cubic root of 115331520 is about 486.7612584841.

The spelling of 115331520 in words is "one hundred fifteen million, three hundred thirty-one thousand, five hundred twenty".