115442646512 has 20 divisors (see below), whose sum is σ = 224520592560. Its totient is φ = 57501848448.

The previous prime is 115442646481. The next prime is 115442646547. The reversal of 115442646512 is 215646244511.

It is a super-2 number, since 2×115442646512² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115442646512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13712837 + ... + 13721252.

It is an arithmetic number, because the mean of its divisors is an integer number (11226029628).

Almost surely, 2^115442646512 is an apocalyptic number.

It is an amenable number.

115442646512 is a deficient number, since it is larger than the sum of its proper divisors (109077946048).

115442646512 is a wasteful number, since it uses less digits than its factorization.

115442646512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27434360 (or 27434354 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The spelling of 115442646512 in words is "one hundred fifteen billion, four hundred forty-two million, six hundred forty-six thousand, five hundred twelve".