25570807572 has 12 divisors (see below), whose sum is σ = 59665217696. Its totient is φ = 8523602520.

The previous prime is 25570807531. The next prime is 25570807573. The reversal of 25570807572 is 27570807552.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25570807573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065450304 + ... + 1065450327.

Almost surely, 2^25570807572 is an apocalyptic number.

It is an amenable number.

25570807572 is an abundant number, since it is smaller than the sum of its proper divisors (34094410124).

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

25570807572 is a wasteful number, since it uses less digits than its factorization.

25570807572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130900638 (or 2130900636 counting only the distinct ones).

The product of its (nonzero) digits is 1372000, while the sum is 48.

It can be divided in two parts, 2557080 and 7572, that added together give a palindrome (2564652).

The spelling of 25570807572 in words is "twenty-five billion, five hundred seventy million, eight hundred seven thousand, five hundred seventy-two".