115015560 has 64 divisors (see below), whose sum is σ = 376418880. Its totient is φ = 27882240.

The previous prime is 115015553. The next prime is 115015577. The reversal of 115015560 is 65510511.

It is a super-2 number, since 2×115015560² = 26457158084227200, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 115015560.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42247 + ... + 44886.

It is an arithmetic number, because the mean of its divisors is an integer number (5881545).

Almost surely, 2^115015560 is an apocalyptic number.

115015560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115015560 is an abundant number, since it is smaller than the sum of its proper divisors (261403320).

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

115015560 is a wasteful number, since it uses less digits than its factorization.

115015560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87158 (or 87154 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 115015560 is about 10724.5307589656. The cubic root of 115015560 is about 486.3163447031.

The spelling of 115015560 in words is "one hundred fifteen million, fifteen thousand, five hundred sixty".