115891223184 has 135 divisors (see below), whose sum is σ = 356638151779. Its totient is φ = 35104935360.

The previous prime is 115891223093. The next prime is 115891223191. The reversal of 115891223184 is 481322198511.

The square root of 115891223184 is 340428.

It is a perfect power (a square), and thus also a powerful number.

115891223184 is a `hidden beast` number, since 11 + 589 + 1 + 22 + 31 + 8 + 4 = 666.

It is a super-2 number, since 2×115891223184² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 44935207 + ... + 44937785.

Almost surely, 2^115891223184 is an apocalyptic number.

115891223184 is the 340428-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115891223184

115891223184 is an abundant number, since it is smaller than the sum of its proper divisors (240746928595).

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

115891223184 is an equidigital number, since it uses as much as digits as its factorization.

115891223184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194 (or 2595 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The spelling of 115891223184 in words is "one hundred fifteen billion, eight hundred ninety-one million, two hundred twenty-three thousand, one hundred eighty-four".