115615320 has 32 divisors (see below), whose sum is σ = 346846320. Its totient is φ = 30830720.

The previous prime is 115615301. The next prime is 115615327. The reversal of 115615320 is 23516511.

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 (115615327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481611 + ... + 481850.

Almost surely, 2^115615320 is an apocalyptic number.

115615320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115615320 is an abundant number, since it is smaller than the sum of its proper divisors (231231000).

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

115615320 is a wasteful number, since it uses less digits than its factorization.

115615320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963475 (or 963471 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 115615320 is about 10752.4564635250. The cubic root of 115615320 is about 487.1601944932.

The spelling of 115615320 in words is "one hundred fifteen million, six hundred fifteen thousand, three hundred twenty".