25263762765 has 16 divisors (see below), whose sum is σ = 40822240896. Its totient is φ = 13340600000.

The previous prime is 25263762739. The next prime is 25263762779. The reversal of 25263762765 is 56726736252.

It is not a de Polignac number, because 25263762765 - 2⁶ = 25263762701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8336361 + ... + 8339390.

It is an arithmetic number, because the mean of its divisors is an integer number (2551390056).

Almost surely, 2^25263762765 is an apocalyptic number.

It is an amenable number.

25263762765 is a deficient number, since it is larger than the sum of its proper divisors (15558478131).

25263762765 is a wasteful number, since it uses less digits than its factorization.

25263762765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16675860.

The product of its digits is 6350400, while the sum is 51.

The spelling of 25263762765 in words is "twenty-five billion, two hundred sixty-three million, seven hundred sixty-two thousand, seven hundred sixty-five".