115181688836 has 12 divisors (see below), whose sum is σ = 205371124812. Its totient is φ = 56504224608.

The previous prime is 115181688779. The next prime is 115181688847. The reversal of 115181688836 is 638886181511.

It can be written as a sum of positive squares in 2 ways, for example, as 76808796736 + 38372892100 = 277144^2 + 195890^2 .

It is a super-2 number, since 2×115181688836² (a number of 23 digits) contains 22 as substring.

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, 271654715 + ... + 271655138.

It is an arithmetic number, because the mean of its divisors is an integer number (17114260401).

Almost surely, 2^115181688836 is an apocalyptic number.

It is an amenable number.

115181688836 is a deficient number, since it is larger than the sum of its proper divisors (90189435976).

115181688836 is a wasteful number, since it uses less digits than its factorization.

115181688836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543309910 (or 543309908 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 56.

The spelling of 115181688836 in words is "one hundred fifteen billion, one hundred eighty-one million, six hundred eighty-eight thousand, eight hundred thirty-six".