25800318712 has 32 divisors (see below), whose sum is σ = 55548443520. Its totient is φ = 11004870240.

The previous prime is 25800318703. The next prime is 25800318743. The reversal of 25800318712 is 21781300852.

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 7 ways as a sum of consecutive naturals, for example, 1079938 + ... + 1103569.

It is an arithmetic number, because the mean of its divisors is an integer number (1735888860).

Almost surely, 2^25800318712 is an apocalyptic number.

It is an amenable number.

25800318712 is an abundant number, since it is smaller than the sum of its proper divisors (29748124808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25800318712 is a wasteful number, since it uses less digits than its factorization.

25800318712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183731 (or 2183727 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 25800318712 in words is "twenty-five billion, eight hundred million, three hundred eighteen thousand, seven hundred twelve".