25713028056 has 16 divisors (see below), whose sum is σ = 64282570200. Its totient is φ = 8571009344.

The previous prime is 25713028021. The next prime is 25713028057. The reversal of 25713028056 is 65082031752.

It is a super-2 number, since 2×25713028056² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25713028057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535688061 + ... + 535688108.

Almost surely, 2^25713028056 is an apocalyptic number.

It is an amenable number.

25713028056 is an abundant number, since it is smaller than the sum of its proper divisors (38569542144).

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

25713028056 is a wasteful number, since it uses less digits than its factorization.

25713028056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071376178 (or 1071376174 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 25713028056 in words is "twenty-five billion, seven hundred thirteen million, twenty-eight thousand, fifty-six".