115107855 has 16 divisors (see below), whose sum is σ = 185194464. Its totient is φ = 61050240.

The previous prime is 115107779. The next prime is 115107857. The reversal of 115107855 is 558701511.

It is not a de Polignac number, because 115107855 - 2¹¹ = 115105807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115107857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18484 + ... + 23913.

It is an arithmetic number, because the mean of its divisors is an integer number (11574654).

Almost surely, 2^115107855 is an apocalyptic number.

115107855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115107855 is a deficient number, since it is larger than the sum of its proper divisors (70086609).

115107855 is a wasteful number, since it uses less digits than its factorization.

115107855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42586.

The product of its (nonzero) digits is 7000, while the sum is 33.

The square root of 115107855 is about 10728.8328815394. The cubic root of 115107855 is about 486.4463925170.

The spelling of 115107855 in words is "one hundred fifteen million, one hundred seven thousand, eight hundred fifty-five".