115307520 has 88 divisors (see below), whose sum is σ = 368853024. Its totient is φ = 30744576.

The previous prime is 115307483. The next prime is 115307527. The reversal of 115307520 is 25703511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115307527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11607 + ... + 19113.

Almost surely, 2^115307520 is an apocalyptic number.

115307520 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 115307520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184426512).

115307520 is an abundant number, since it is smaller than the sum of its proper divisors (253545504).

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

115307520 is an equidigital number, since it uses as much as digits as its factorization.

115307520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7535 (or 7517 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 115307520 is about 10738.1339160955. The cubic root of 115307520 is about 486.7274918242.

The spelling of 115307520 in words is "one hundred fifteen million, three hundred seven thousand, five hundred twenty".