25431053016 has 16 divisors (see below), whose sum is σ = 63577632600. Its totient is φ = 8477017664.

The previous prime is 25431052993. The next prime is 25431053059. The reversal of 25431053016 is 61035013452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529813581 + ... + 529813628.

Almost surely, 2^25431053016 is an apocalyptic number.

It is an amenable number.

25431053016 is an abundant number, since it is smaller than the sum of its proper divisors (38146579584).

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

25431053016 is a wasteful number, since it uses less digits than its factorization.

25431053016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059627218 (or 1059627214 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 25431053016 its reverse (61035013452), we get a palindrome (86466066468).

The spelling of 25431053016 in words is "twenty-five billion, four hundred thirty-one million, fifty-three thousand, sixteen".