115516575 has 18 divisors (see below), whose sum is σ = 206903424. Its totient is φ = 61608720.

The previous prime is 115516573. The next prime is 115516589. The reversal of 115516575 is 575615511.

It is a happy number.

It is not a de Polignac number, because 115516575 - 2¹ = 115516573 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115516573) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 256479 + ... + 256928.

Almost surely, 2^115516575 is an apocalyptic number.

115516575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115516575 is a deficient number, since it is larger than the sum of its proper divisors (91386849).

115516575 is a wasteful number, since it uses less digits than its factorization.

115516575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513423 (or 513415 counting only the distinct ones).

The product of its digits is 26250, while the sum is 36.

The square root of 115516575 is about 10747.8637412278. The cubic root of 115516575 is about 487.0214633545.

The spelling of 115516575 in words is "one hundred fifteen million, five hundred sixteen thousand, five hundred seventy-five".