25225838012 has 6 divisors (see below), whose sum is σ = 44145216528. Its totient is φ = 12612919004.

The previous prime is 25225837999. The next prime is 25225838083. The reversal of 25225838012 is 21083852252.

It is a super-2 number, since 2×25225838012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3153229748 + ... + 3153229755.

It is an arithmetic number, because the mean of its divisors is an integer number (7357536088).

Almost surely, 2^25225838012 is an apocalyptic number.

It is an amenable number.

25225838012 is a deficient number, since it is larger than the sum of its proper divisors (18919378516).

25225838012 is a wasteful number, since it uses less digits than its factorization.

25225838012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306459507 (or 6306459505 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 25225838012 in words is "twenty-five billion, two hundred twenty-five million, eight hundred thirty-eight thousand, twelve".