115866018912 has 96 divisors (see below), whose sum is σ = 349931232000. Its totient is φ = 32882370048.

The previous prime is 115866018871. The next prime is 115866018923. The reversal of 115866018912 is 219810668511.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 478462 + ... + 678717.

It is an arithmetic number, because the mean of its divisors is an integer number (3645117000).

Almost surely, 2^115866018912 is an apocalyptic number.

115866018912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115866018912 is an abundant number, since it is smaller than the sum of its proper divisors (234065213088).

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

115866018912 is a wasteful number, since it uses less digits than its factorization.

115866018912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157348 (or 1157340 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 48.

The spelling of 115866018912 in words is "one hundred fifteen billion, eight hundred sixty-six million, eighteen thousand, nine hundred twelve".