115563159 has 8 divisors (see below), whose sum is σ = 171204720. Its totient is φ = 77042088.

The previous prime is 115563157. The next prime is 115563163. The reversal of 115563159 is 951365511.

115563159 is a `hidden beast` number, since 1 + 15 + 5 + 631 + 5 + 9 = 666.

It is not a de Polignac number, because 115563159 - 2¹ = 115563157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115563157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140032 + ... + 2140085.

It is an arithmetic number, because the mean of its divisors is an integer number (21400590).

Almost surely, 2^115563159 is an apocalyptic number.

115563159 is a deficient number, since it is larger than the sum of its proper divisors (55641561).

115563159 is an equidigital number, since it uses as much as digits as its factorization.

115563159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280126 (or 4280120 counting only the distinct ones).

The product of its digits is 20250, while the sum is 36.

The square root of 115563159 is about 10750.0306511191. The cubic root of 115563159 is about 487.0869210859.

The spelling of 115563159 in words is "one hundred fifteen million, five hundred sixty-three thousand, one hundred fifty-nine".