113110565 has 4 divisors (see below), whose sum is σ = 135732684. Its totient is φ = 90488448.

The previous prime is 113110561. The next prime is 113110577. The reversal of 113110565 is 565011311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 565011311 = 16001 ⋅35311.

It can be written as a sum of positive squares in 2 ways, for example, as 18671041 + 94439524 = 4321^2 + 9718^2 .

It is a cyclic number.

It is not a de Polignac number, because 113110565 - 2² = 113110561 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 113110565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113110561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11311052 + ... + 11311061.

It is an arithmetic number, because the mean of its divisors is an integer number (33933171).

Almost surely, 2^113110565 is an apocalyptic number.

It is an amenable number.

113110565 is a deficient number, since it is larger than the sum of its proper divisors (22622119).

113110565 is an equidigital number, since it uses as much as digits as its factorization.

113110565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22622118.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 113110565 is about 10635.3450813784. The cubic root of 113110565 is about 483.6164416173.

Adding to 113110565 its reverse (565011311), we get a palindrome (678121876).

The spelling of 113110565 in words is "one hundred thirteen million, one hundred ten thousand, five hundred sixty-five".