115818287072 has 48 divisors (see below), whose sum is σ = 242967982320. Its totient is φ = 54155532288.

The previous prime is 115818287069. The next prime is 115818287113. The reversal of 115818287072 is 270782818511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 115818287072.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592622 + ... + 763437.

It is an arithmetic number, because the mean of its divisors is an integer number (5061832965).

Almost surely, 2^115818287072 is an apocalyptic number.

It is an amenable number.

115818287072 is an abundant number, since it is smaller than the sum of its proper divisors (127149695248).

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

115818287072 is a wasteful number, since it uses less digits than its factorization.

115818287072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356243 (or 1356235 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 50.

The spelling of 115818287072 in words is "one hundred fifteen billion, eight hundred eighteen million, two hundred eighty-seven thousand, seventy-two".