2565109882 has 16 divisors (see below), whose sum is σ = 3931153920. Its totient is φ = 1254747888.

The previous prime is 2565109879. The next prime is 2565109903. The reversal of 2565109882 is 2889015652.

2565109882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326719 + ... + 334477.

It is an arithmetic number, because the mean of its divisors is an integer number (245697120).

Almost surely, 2^2565109882 is an apocalyptic number.

2565109882 is a deficient number, since it is larger than the sum of its proper divisors (1366044038).

2565109882 is a wasteful number, since it uses less digits than its factorization.

2565109882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11325.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 2565109882 is about 50646.9138447744. The cubic root of 2565109882 is about 1368.8903373493.

The spelling of 2565109882 in words is "two billion, five hundred sixty-five million, one hundred nine thousand, eight hundred eighty-two".