115531086 has 32 divisors (see below), whose sum is σ = 256348800. Its totient is φ = 34414880.

The previous prime is 115531081. The next prime is 115531111. The reversal of 115531086 is 680135511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115531081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10941 + ... + 18728.

It is an arithmetic number, because the mean of its divisors is an integer number (8010900).

Almost surely, 2^115531086 is an apocalyptic number.

115531086 is an abundant number, since it is smaller than the sum of its proper divisors (140817714).

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

115531086 is a wasteful number, since it uses less digits than its factorization.

115531086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29744.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 115531086 is about 10748.5387844116. The cubic root of 115531086 is about 487.0418554426.

Adding to 115531086 its reverse (680135511), we get a palindrome (795666597).

The spelling of 115531086 in words is "one hundred fifteen million, five hundred thirty-one thousand, eighty-six".