115581088 has 48 divisors (see below), whose sum is σ = 261878400. Its totient is φ = 49188096.

The previous prime is 115581083. The next prime is 115581107. The reversal of 115581088 is 880185511.

It is not an unprimeable number, because it can be changed into a prime (115581083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31645 + ... + 35107.

It is an arithmetic number, because the mean of its divisors is an integer number (5455800).

Almost surely, 2^115581088 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 115581088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130939200).

115581088 is an abundant number, since it is smaller than the sum of its proper divisors (146297312).

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

115581088 is a wasteful number, since it uses less digits than its factorization.

115581088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629 (or 3621 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 37.

The square root of 115581088 is about 10750.8645233767. The cubic root of 115581088 is about 487.1121094184.

The spelling of 115581088 in words is "one hundred fifteen million, five hundred eighty-one thousand, eighty-eight".