115409180 has 12 divisors (see below), whose sum is σ = 242359320. Its totient is φ = 46163664.

The previous prime is 115409171. The next prime is 115409197. The reversal of 115409180 is 81904511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2885210 + ... + 2885249.

It is an arithmetic number, because the mean of its divisors is an integer number (20196610).

Almost surely, 2^115409180 is an apocalyptic number.

115409180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115409180 is an abundant number, since it is smaller than the sum of its proper divisors (126950140).

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

115409180 is a wasteful number, since it uses less digits than its factorization.

115409180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770468 (or 5770466 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 115409180 is about 10742.8664703607. The cubic root of 115409180 is about 486.8704896746.

The spelling of 115409180 in words is "one hundred fifteen million, four hundred nine thousand, one hundred eighty".