25068872805 has 16 divisors (see below), whose sum is σ = 40180455744. Its totient is φ = 13346645760.

The previous prime is 25068872797. The next prime is 25068872833. The reversal of 25068872805 is 50827886052.

It is not a de Polignac number, because 25068872805 - 2³ = 25068872797 is a prime.

It is a Curzon number.

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, 1454884 + ... + 1472013.

It is an arithmetic number, because the mean of its divisors is an integer number (2511278484).

Almost surely, 2^25068872805 is an apocalyptic number.

It is an amenable number.

25068872805 is a deficient number, since it is larger than the sum of its proper divisors (15111582939).

25068872805 is a wasteful number, since it uses less digits than its factorization.

25068872805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927476.

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 25068872805 in words is "twenty-five billion, sixty-eight million, eight hundred seventy-two thousand, eight hundred five".