115715205 has 12 divisors (see below), whose sum is σ = 200573100. Its totient is φ = 61714752.

The previous prime is 115715203. The next prime is 115715213. The reversal of 115715205 is 502517511.

It can be written as a sum of positive squares in 2 ways, for example, as 86099841 + 29615364 = 9279^2 + 5442^2 .

It is not a de Polignac number, because 115715205 - 2¹ = 115715203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115715203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1285680 + ... + 1285769.

It is an arithmetic number, because the mean of its divisors is an integer number (16714425).

Almost surely, 2^115715205 is an apocalyptic number.

115715205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115715205 is a deficient number, since it is larger than the sum of its proper divisors (84857895).

115715205 is a wasteful number, since it uses less digits than its factorization.

115715205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571460 (or 2571457 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The square root of 115715205 is about 10757.1002133475. The cubic root of 115715205 is about 487.3004469258.

The spelling of 115715205 in words is "one hundred fifteen million, seven hundred fifteen thousand, two hundred five".