115855728 has 40 divisors (see below), whose sum is σ = 300576000. Its totient is φ = 38453184.

The previous prime is 115855723. The next prime is 115855759. The reversal of 115855728 is 827558511.

It is a self number, because there is not a number n which added to its sum of digits gives 115855728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115855723) 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, 6423 + ... + 16521.

It is an arithmetic number, because the mean of its divisors is an integer number (7514400).

Almost surely, 2^115855728 is an apocalyptic number.

It is an amenable number.

115855728 is an abundant number, since it is smaller than the sum of its proper divisors (184720272).

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

115855728 is a wasteful number, since it uses less digits than its factorization.

115855728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10349 (or 10343 counting only the distinct ones).

The product of its digits is 112000, while the sum is 42.

The square root of 115855728 is about 10763.6298710054. The cubic root of 115855728 is about 487.4976241830.

The spelling of 115855728 in words is "one hundred fifteen million, eight hundred fifty-five thousand, seven hundred twenty-eight".