115621472512 has 432 divisors, whose sum is σ = 312390570240. Its totient is φ = 42203234304.

The previous prime is 115621472459. The next prime is 115621472587. The reversal of 115621472512 is 215274126511.

It is a happy number.

115621472512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108768493 + ... + 108769555.

It is an arithmetic number, because the mean of its divisors is an integer number (723126320).

Almost surely, 2^115621472512 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 115621472512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156195285120).

115621472512 is an abundant number, since it is smaller than the sum of its proper divisors (196769097728).

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

115621472512 is a wasteful number, since it uses less digits than its factorization.

115621472512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1137 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The spelling of 115621472512 in words is "one hundred fifteen billion, six hundred twenty-one million, four hundred seventy-two thousand, five hundred twelve".