115139502888 has 32 divisors (see below), whose sum is σ = 287879186400. Its totient is φ = 38375777088.

The previous prime is 115139502859. The next prime is 115139502899. The reversal of 115139502888 is 888205931511.

It is a self number, because there is not a number n which added to its sum of digits gives 115139502888.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17323 + ... + 480186.

It is an arithmetic number, because the mean of its divisors is an integer number (8996224575).

Almost surely, 2^115139502888 is an apocalyptic number.

It is an amenable number.

115139502888 is an abundant number, since it is smaller than the sum of its proper divisors (172739683512).

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

115139502888 is a wasteful number, since it uses less digits than its factorization.

115139502888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507161 (or 507157 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 51.

The spelling of 115139502888 in words is "one hundred fifteen billion, one hundred thirty-nine million, five hundred two thousand, eight hundred eighty-eight".