115809255 has 24 divisors (see below), whose sum is σ = 209465568. Its totient is φ = 59078976.

The previous prime is 115809229. The next prime is 115809257. The reversal of 115809255 is 552908511.

It is a happy number.

It is not a de Polignac number, because 115809255 - 2⁸ = 115808999 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115809257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54912 + ... + 56981.

It is an arithmetic number, because the mean of its divisors is an integer number (8727732).

Almost surely, 2^115809255 is an apocalyptic number.

115809255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115809255 is a deficient number, since it is larger than the sum of its proper divisors (93656313).

115809255 is a wasteful number, since it uses less digits than its factorization.

115809255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111927 (or 111924 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The square root of 115809255 is about 10761.4708567184. The cubic root of 115809255 is about 487.4324324502.

The spelling of 115809255 in words is "one hundred fifteen million, eight hundred nine thousand, two hundred fifty-five".