13110652565 has 4 divisors (see below), whose sum is σ = 15732783084. Its totient is φ = 10488522048.

The previous prime is 13110652561. The next prime is 13110652589. The reversal of 13110652565 is 56525601131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1482481009 + 11628171556 = 38503^2 + 107834^2 .

It is a cyclic number.

It is not a de Polignac number, because 13110652565 - 2² = 13110652561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110652561) 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, 1311065252 + ... + 1311065261.

It is an arithmetic number, because the mean of its divisors is an integer number (3933195771).

Almost surely, 2^13110652565 is an apocalyptic number.

It is an amenable number.

13110652565 is a deficient number, since it is larger than the sum of its proper divisors (2622130519).

13110652565 is an equidigital number, since it uses as much as digits as its factorization.

13110652565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622130518.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 13110652565 in words is "thirteen billion, one hundred ten million, six hundred fifty-two thousand, five hundred sixty-five".