115520256 has 126 divisors (see below), whose sum is σ = 346284260. Its totient is φ = 38444544.

The previous prime is 115520243. The next prime is 115520267. The reversal of 115520256 is 652025511.

115520256 is a `hidden beast` number, since 115 + 520 + 25 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 186315 + ... + 186933.

Almost surely, 2^115520256 is an apocalyptic number.

115520256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115520256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173142130).

115520256 is an abundant number, since it is smaller than the sum of its proper divisors (230764004).

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

115520256 is an frugal number, since it uses more digits than its factorization.

115520256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 115520256 is about 10748.0349831958. The cubic root of 115520256 is about 487.0266363696.

Adding to 115520256 its reverse (652025511), we get a palindrome (767545767).

The spelling of 115520256 in words is "one hundred fifteen million, five hundred twenty thousand, two hundred fifty-six".