25255072572 has 12 divisors (see below), whose sum is σ = 58928502696. Its totient is φ = 8418357520.

The previous prime is 25255072561. The next prime is 25255072613. The reversal of 25255072572 is 27527055252.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1052294679 + ... + 1052294702.

It is an arithmetic number, because the mean of its divisors is an integer number (4910708558).

Almost surely, 2^25255072572 is an apocalyptic number.

It is an amenable number.

25255072572 is an abundant number, since it is smaller than the sum of its proper divisors (33673430124).

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

25255072572 is a wasteful number, since it uses less digits than its factorization.

25255072572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104589388 (or 2104589386 counting only the distinct ones).

The product of its (nonzero) digits is 490000, while the sum is 42.

The spelling of 25255072572 in words is "twenty-five billion, two hundred fifty-five million, seventy-two thousand, five hundred seventy-two".