115906180 has 96 divisors (see below), whose sum is σ = 273829248. Its totient is φ = 40934400.

The previous prime is 115906129. The next prime is 115906201. The reversal of 115906180 is 81609511.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 884715 + ... + 884845.

It is an arithmetic number, because the mean of its divisors is an integer number (2852388).

Almost surely, 2^115906180 is an apocalyptic number.

115906180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115906180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136914624).

115906180 is an abundant number, since it is smaller than the sum of its proper divisors (157923068).

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

115906180 is a wasteful number, since it uses less digits than its factorization.

115906180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 115906180 is about 10765.9732490844. The cubic root of 115906180 is about 487.5683778731.

The spelling of 115906180 in words is "one hundred fifteen million, nine hundred six thousand, one hundred eighty".