2565002711 has 4 divisors (see below), whose sum is σ = 2676524592. Its totient is φ = 2453480832.

The previous prime is 2565002669. The next prime is 2565002777. The reversal of 2565002711 is 1172005652.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2565002711 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 (2565002611) 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, 55760906 + ... + 55760951.

It is an arithmetic number, because the mean of its divisors is an integer number (669131148).

Almost surely, 2^2565002711 is an apocalyptic number.

2565002711 is a deficient number, since it is larger than the sum of its proper divisors (111521881).

2565002711 is a wasteful number, since it uses less digits than its factorization.

2565002711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111521880.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 2565002711 is about 50645.8558126921. The cubic root of 2565002711 is about 1368.8712728783.

The spelling of 2565002711 in words is "two billion, five hundred sixty-five million, two thousand, seven hundred eleven".