25570992084 has 48 divisors (see below), whose sum is σ = 65120401920. Its totient is φ = 7745142240.

The previous prime is 25570992061. The next prime is 25570992137. The reversal of 25570992084 is 48029907552.

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, 243177 + ... + 332079.

It is an arithmetic number, because the mean of its divisors is an integer number (1356675040).

Almost surely, 2^25570992084 is an apocalyptic number.

It is an amenable number.

25570992084 is an abundant number, since it is smaller than the sum of its proper divisors (39549409836).

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

25570992084 is a wasteful number, since it uses less digits than its factorization.

25570992084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91100 (or 91098 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 25570992084 in words is "twenty-five billion, five hundred seventy million, nine hundred ninety-two thousand, eighty-four".