115731056 has 20 divisors (see below), whose sum is σ = 256261872. Its totient is φ = 49598976.

The previous prime is 115731047. The next prime is 115731059. The reversal of 115731056 is 650137511.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115731059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516545 + ... + 516768.

Almost surely, 2^115731056 is an apocalyptic number.

115731056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115731056 is an abundant number, since it is smaller than the sum of its proper divisors (140530816).

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

115731056 is a wasteful number, since it uses less digits than its factorization.

115731056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033328 (or 1033322 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 115731056 is about 10757.8369573070. The cubic root of 115731056 is about 487.3226965132.

Adding to 115731056 its reverse (650137511), we get a palindrome (765868567).

The spelling of 115731056 in words is "one hundred fifteen million, seven hundred thirty-one thousand, fifty-six".