25355012052 has 24 divisors (see below), whose sum is σ = 60760660576. Its totient is φ = 8223247008.

The previous prime is 25355012051. The next prime is 25355012077. The reversal of 25355012052 is 25021055352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25355012051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28552498 + ... + 28553385.

Almost surely, 2^25355012052 is an apocalyptic number.

It is an amenable number.

25355012052 is an abundant number, since it is smaller than the sum of its proper divisors (35405648524).

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

25355012052 is a wasteful number, since it uses less digits than its factorization.

25355012052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57105927 (or 57105925 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 25355012052 in words is "twenty-five billion, three hundred fifty-five million, twelve thousand, fifty-two".