115750022520 has 128 divisors (see below), whose sum is σ = 379401200640. Its totient is φ = 28017431040.

The previous prime is 115750022489. The next prime is 115750022537. The reversal of 115750022520 is 25220057511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 794817 + ... + 929103.

It is an arithmetic number, because the mean of its divisors is an integer number (2964071880).

Almost surely, 2^115750022520 is an apocalyptic number.

115750022520 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 115750022520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189700600320).

115750022520 is an abundant number, since it is smaller than the sum of its proper divisors (263651178120).

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

115750022520 is a wasteful number, since it uses less digits than its factorization.

115750022520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134965 (or 134961 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The spelling of 115750022520 in words is "one hundred fifteen billion, seven hundred fifty million, twenty-two thousand, five hundred twenty".