115800255 has 12 divisors (see below), whose sum is σ = 200720520. Its totient is φ = 61760112.

The previous prime is 115800241. The next prime is 115800281. The reversal of 115800255 is 552008511.

It is not a de Polignac number, because 115800255 - 2¹³ = 115792063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1286625 + ... + 1286714.

It is an arithmetic number, because the mean of its divisors is an integer number (16726710).

Almost surely, 2^115800255 is an apocalyptic number.

115800255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115800255 is a deficient number, since it is larger than the sum of its proper divisors (84920265).

115800255 is a wasteful number, since it uses less digits than its factorization.

115800255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573350 (or 2573347 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 115800255 is about 10761.0526901414. The cubic root of 115800255 is about 487.4198053490.

Adding to 115800255 its reverse (552008511), we get a palindrome (667808766).

The spelling of 115800255 in words is "one hundred fifteen million, eight hundred thousand, two hundred fifty-five".