115090660 has 24 divisors (see below), whose sum is σ = 243033336. Its totient is φ = 45780480.

The previous prime is 115090627. The next prime is 115090667. The reversal of 115090660 is 66090511.

It can be written as a sum of positive squares in 4 ways, for example, as 1327104 + 113763556 = 1152^2 + 10666^2 .

It is not an unprimeable number, because it can be changed into a prime (115090667) 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, 12277 + ... + 19516.

It is an arithmetic number, because the mean of its divisors is an integer number (10126389).

Almost surely, 2^115090660 is an apocalyptic number.

115090660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115090660 is an abundant number, since it is smaller than the sum of its proper divisors (127942676).

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

115090660 is a wasteful number, since it uses less digits than its factorization.

115090660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31983 (or 31981 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 115090660 is about 10728.0315062923. The cubic root of 115090660 is about 486.4221692577.

The spelling of 115090660 in words is "one hundred fifteen million, ninety thousand, six hundred sixty".