115920019116 has 72 divisors (see below), whose sum is σ = 325689580944. Its totient is φ = 34464493440.

The previous prime is 115920019109. The next prime is 115920019129. The reversal of 115920019116 is 611910029511.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2740591 + ... + 2782566.

It is an arithmetic number, because the mean of its divisors is an integer number (4523466402).

Almost surely, 2^115920019116 is an apocalyptic number.

It is an amenable number.

115920019116 is an abundant number, since it is smaller than the sum of its proper divisors (209769561828).

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

115920019116 is a wasteful number, since it uses less digits than its factorization.

115920019116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5523231 (or 5523226 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 36.

The spelling of 115920019116 in words is "one hundred fifteen billion, nine hundred twenty million, nineteen thousand, one hundred sixteen".