115864492728 has 32 divisors (see below), whose sum is σ = 289772073360. Its totient is φ = 38606718720.

The previous prime is 115864492727. The next prime is 115864492759. The reversal of 115864492728 is 827294468511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115864492727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859563 + ... + 985178.

Almost surely, 2^115864492728 is an apocalyptic number.

It is an amenable number.

115864492728 is an abundant number, since it is smaller than the sum of its proper divisors (173907580632).

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

115864492728 is a wasteful number, since it uses less digits than its factorization.

115864492728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847367 (or 1847363 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The spelling of 115864492728 in words is "one hundred fifteen billion, eight hundred sixty-four million, four hundred ninety-two thousand, seven hundred twenty-eight".