115631456 has 24 divisors (see below), whose sum is σ = 228387600. Its totient is φ = 57628288.

The previous prime is 115631449. The next prime is 115631471. The reversal of 115631456 is 654136511.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 4445 + ... + 15843.

It is an arithmetic number, because the mean of its divisors is an integer number (9516150).

Almost surely, 2^115631456 is an apocalyptic number.

115631456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115631456 is a deficient number, since it is larger than the sum of its proper divisors (112756144).

115631456 is a wasteful number, since it uses less digits than its factorization.

115631456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11726 (or 11718 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 115631456 is about 10753.2067775153. The cubic root of 115631456 is about 487.1828571508.

Adding to 115631456 its reverse (654136511), we get a palindrome (769767967).

The spelling of 115631456 in words is "one hundred fifteen million, six hundred thirty-one thousand, four hundred fifty-six".