2565624044113 has 16 divisors (see below), whose sum is σ = 2909167569280. Its totient is φ = 2243030310144.

The previous prime is 2565624044111. The next prime is 2565624044131. The reversal of 2565624044113 is 3114404265652.

It is not a de Polignac number, because 2565624044113 - 2¹ = 2565624044111 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 2565624044113.

It is not an unprimeable number, because it can be changed into a prime (2565624044111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432381 + ... + 2306122.

It is an arithmetic number, because the mean of its divisors is an integer number (181822973080).

Almost surely, 2^{2565624044113} is an apocalyptic number.

It is an amenable number.

2565624044113 is a deficient number, since it is larger than the sum of its proper divisors (343543525167).

2565624044113 is a wasteful number, since it uses less digits than its factorization.

2565624044113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742328.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 2565624044113 in words is "two trillion, five hundred sixty-five billion, six hundred twenty-four million, forty-four thousand, one hundred thirteen".