115256403 has 6 divisors (see below), whose sum is σ = 166481484. Its totient is φ = 76837596.

The previous prime is 115256341. The next prime is 115256423. The reversal of 115256403 is 304652511.

115256403 is a `hidden beast` number, since 1 + 1 + 5 + 256 + 403 = 666.

It is not a de Polignac number, because 115256403 - 2¹² = 115252307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115256423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6403125 + ... + 6403142.

It is an arithmetic number, because the mean of its divisors is an integer number (27746914).

Almost surely, 2^115256403 is an apocalyptic number.

115256403 is a deficient number, since it is larger than the sum of its proper divisors (51225081).

115256403 is a wasteful number, since it uses less digits than its factorization.

115256403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12806273 (or 12806270 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 115256403 is about 10735.7534900909. The cubic root of 115256403 is about 486.6555574391.

The spelling of 115256403 in words is "one hundred fifteen million, two hundred fifty-six thousand, four hundred three".