25250126390265 has 32 divisors (see below), whose sum is σ = 46438547924736. Its totient is φ = 11476192861440.

The previous prime is 25250126390257. The next prime is 25250126390329. The reversal of 25250126390265 is 56209362105252.

It is not a de Polignac number, because 25250126390265 - 2³ = 25250126390257 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 695003206 + ... + 695039535.

It is an arithmetic number, because the mean of its divisors is an integer number (1451204622648).

Almost surely, 2^{25250126390265} is an apocalyptic number.

It is an amenable number.

25250126390265 is a deficient number, since it is larger than the sum of its proper divisors (21188421534471).

25250126390265 is a wasteful number, since it uses less digits than its factorization.

25250126390265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390042929.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 25250126390265 in words is "twenty-five trillion, two hundred fifty billion, one hundred twenty-six million, three hundred ninety thousand, two hundred sixty-five".