113191563 has 8 divisors (see below), whose sum is σ = 151922176. Its totient is φ = 74961000.

The previous prime is 113191549. The next prime is 113191567. The reversal of 113191563 is 365191311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113191563 - 2²¹ = 111094411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113191563.

It is not an unprimeable number, because it can be changed into a prime (113191567) 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, 124483 + ... + 125388.

It is an arithmetic number, because the mean of its divisors is an integer number (18990272).

Almost surely, 2^113191563 is an apocalyptic number.

113191563 is a deficient number, since it is larger than the sum of its proper divisors (38730613).

113191563 is a wasteful number, since it uses less digits than its factorization.

113191563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250025.

The product of its digits is 2430, while the sum is 30.

The square root of 113191563 is about 10639.1523628530. The cubic root of 113191563 is about 483.7318526400.

The spelling of 113191563 in words is "one hundred thirteen million, one hundred ninety-one thousand, five hundred sixty-three".