115137439151172 has 12 divisors (see below), whose sum is σ = 268654024686096. Its totient is φ = 38379146383720.

The previous prime is 115137439151167. The next prime is 115137439151179. The reversal of 115137439151172 is 271151934731511.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (115137439151179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4797393297954 + ... + 4797393297977.

It is an arithmetic number, because the mean of its divisors is an integer number (22387835390508).

Almost surely, 2^{115137439151172} is an apocalyptic number.

115137439151172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115137439151172 is an abundant number, since it is smaller than the sum of its proper divisors (153516585534924).

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

115137439151172 is a wasteful number, since it uses less digits than its factorization.

115137439151172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9594786595938 (or 9594786595936 counting only the distinct ones).

The product of its digits is 793800, while the sum is 51.

The spelling of 115137439151172 in words is "one hundred fifteen trillion, one hundred thirty-seven billion, four hundred thirty-nine million, one hundred fifty-one thousand, one hundred seventy-two".