115615660 has 12 divisors (see below), whose sum is σ = 242792928. Its totient is φ = 46246256.

The previous prime is 115615651. The next prime is 115615667. The reversal of 115615660 is 66516511.

It is not an unprimeable number, because it can be changed into a prime (115615667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2890372 + ... + 2890411.

It is an arithmetic number, because the mean of its divisors is an integer number (20232744).

Almost surely, 2^115615660 is an apocalyptic number.

115615660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115615660 is an abundant number, since it is smaller than the sum of its proper divisors (127177268).

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

115615660 is a wasteful number, since it uses less digits than its factorization.

115615660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780792 (or 5780790 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 115615660 is about 10752.4722738540. The cubic root of 115615660 is about 487.1606720375.

The spelling of 115615660 in words is "one hundred fifteen million, six hundred fifteen thousand, six hundred sixty".