115539088 has 80 divisors (see below), whose sum is σ = 264090240. Its totient is φ = 47950848.

The previous prime is 115539079. The next prime is 115539119. The reversal of 115539088 is 880935511.

It is a self number, because there is not a number n which added to its sum of digits gives 115539088.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667770 + ... + 667942.

It is an arithmetic number, because the mean of its divisors is an integer number (3301128).

Almost surely, 2^115539088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115539088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132045120).

115539088 is an abundant number, since it is smaller than the sum of its proper divisors (148551152).

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

115539088 is a wasteful number, since it uses less digits than its factorization.

115539088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 40.

The square root of 115539088 is about 10748.9110146098. The cubic root of 115539088 is about 487.0530998015.

The spelling of 115539088 in words is "one hundred fifteen million, five hundred thirty-nine thousand, eighty-eight".