113165563 has 4 divisors (see below), whose sum is σ = 129332080. Its totient is φ = 96999048.

The previous prime is 113165561. The next prime is 113165621. The reversal of 113165563 is 365561311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113165563 - 2¹ = 113165561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113165561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8083248 + ... + 8083261.

It is an arithmetic number, because the mean of its divisors is an integer number (32333020).

Almost surely, 2^113165563 is an apocalyptic number.

113165563 is a deficient number, since it is larger than the sum of its proper divisors (16166517).

113165563 is an equidigital number, since it uses as much as digits as its factorization.

113165563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16166516.

The product of its digits is 8100, while the sum is 31.

The square root of 113165563 is about 10637.9303908232. The cubic root of 113165563 is about 483.6948122136.

The spelling of 113165563 in words is "one hundred thirteen million, one hundred sixty-five thousand, five hundred sixty-three".