25670525012 has 48 divisors (see below), whose sum is σ = 50611599360. Its totient is φ = 11286808800.

The previous prime is 25670524969. The next prime is 25670525021. The reversal of 25670525012 is 21052507652.

It is an alternating number because its digits alternate between even and odd.

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, 5643323 + ... + 5647869.

It is an arithmetic number, because the mean of its divisors is an integer number (1054408320).

Almost surely, 2^25670525012 is an apocalyptic number.

25670525012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25670525012 is a deficient number, since it is larger than the sum of its proper divisors (24941074348).

25670525012 is a wasteful number, since it uses less digits than its factorization.

25670525012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8732 (or 8730 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 25670525012 in words is "twenty-five billion, six hundred seventy million, five hundred twenty-five thousand, twelve".