25012762765 has 16 divisors (see below), whose sum is σ = 30992209920. Its totient is φ = 19359308160.

The previous prime is 25012762717. The next prime is 25012762799. The reversal of 25012762765 is 56726721052.

It is not a de Polignac number, because 25012762765 - 2⁹ = 25012762253 is a prime.

It is a super-2 number, since 2×25012762765² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586857 + ... + 628033.

It is an arithmetic number, because the mean of its divisors is an integer number (1937013120).

Almost surely, 2^25012762765 is an apocalyptic number.

It is an amenable number.

25012762765 is a deficient number, since it is larger than the sum of its proper divisors (5979447155).

25012762765 is a wasteful number, since it uses less digits than its factorization.

25012762765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45132.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 25012762765 in words is "twenty-five billion, twelve million, seven hundred sixty-two thousand, seven hundred sixty-five".