25303052528 has 20 divisors (see below), whose sum is σ = 52795792728. Its totient is φ = 11678331840.

The previous prime is 25303052521. The next prime is 25303052539. The reversal of 25303052528 is 82525030352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25303052521) 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, 60824438 + ... + 60824853.

Almost surely, 2^25303052528 is an apocalyptic number.

It is an amenable number.

25303052528 is an abundant number, since it is smaller than the sum of its proper divisors (27492740200).

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

25303052528 is a wasteful number, since it uses less digits than its factorization.

25303052528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121649312 (or 121649306 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 25303052528 in words is "twenty-five billion, three hundred three million, fifty-two thousand, five hundred twenty-eight".