115563456 has 56 divisors (see below), whose sum is σ = 339740240. Its totient is φ = 38520576.

The previous prime is 115563449. The next prime is 115563457. The reversal of 115563456 is 654365511.

115563456 is a `hidden beast` number, since 1 + 15 + 5 + 634 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 115563456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115563457) 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, 31711 + ... + 35166.

It is an arithmetic number, because the mean of its divisors is an integer number (6066790).

Almost surely, 2^115563456 is an apocalyptic number.

115563456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115563456 is an abundant number, since it is smaller than the sum of its proper divisors (224176784).

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

115563456 is an equidigital number, since it uses as much as digits as its factorization.

115563456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66898 (or 66882 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 115563456 is about 10750.0444650243. The cubic root of 115563456 is about 487.0873383605.

The spelling of 115563456 in words is "one hundred fifteen million, five hundred sixty-three thousand, four hundred fifty-six".