115563165 has 16 divisors (see below), whose sum is σ = 186012288. Its totient is φ = 61263296.

The previous prime is 115563163. The next prime is 115563197. The reversal of 115563165 is 561365511.

It is a cyclic number.

It is not a de Polignac number, because 115563165 - 2¹ = 115563163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115563163) 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, 20562 + ... + 25571.

It is an arithmetic number, because the mean of its divisors is an integer number (11625768).

Almost surely, 2^115563165 is an apocalyptic number.

115563165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115563165 is a deficient number, since it is larger than the sum of its proper divisors (70449123).

115563165 is a wasteful number, since it uses less digits than its factorization.

115563165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46308.

The product of its digits is 13500, while the sum is 33.

The square root of 115563165 is about 10750.0309301881. The cubic root of 115563165 is about 487.0869295157.

The spelling of 115563165 in words is "one hundred fifteen million, five hundred sixty-three thousand, one hundred sixty-five".