25613873512 has 16 divisors (see below), whose sum is σ = 48392625600. Its totient is φ = 12709173360.

The previous prime is 25613873489. The next prime is 25613873539. The reversal of 25613873512 is 21537831652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12219312 + ... + 12221407.

It is an arithmetic number, because the mean of its divisors is an integer number (3024539100).

Almost surely, 2^25613873512 is an apocalyptic number.

It is an amenable number.

25613873512 is a deficient number, since it is larger than the sum of its proper divisors (22778752088).

25613873512 is a wasteful number, since it uses less digits than its factorization.

25613873512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24440856 (or 24440852 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The spelling of 25613873512 in words is "twenty-five billion, six hundred thirteen million, eight hundred seventy-three thousand, five hundred twelve".