25560852078772 has 6 divisors (see below), whose sum is σ = 44731491137858. Its totient is φ = 12780426039384.

The previous prime is 25560852078757. The next prime is 25560852078781. The reversal of 25560852078772 is 27787025806552.

It can be written as a sum of positive squares in only one way, i.e., 24662705416336 + 898146662436 = 4966156^2 + 947706^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3195106509843 + ... + 3195106509850.

Almost surely, 2^{25560852078772} is an apocalyptic number.

It is an amenable number.

25560852078772 is a deficient number, since it is larger than the sum of its proper divisors (19170639059086).

25560852078772 is a wasteful number, since it uses less digits than its factorization.

25560852078772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390213019697 (or 6390213019695 counting only the distinct ones).

The product of its (nonzero) digits is 131712000, while the sum is 64.

The spelling of 25560852078772 in words is "twenty-five trillion, five hundred sixty billion, eight hundred fifty-two million, seventy-eight thousand, seven hundred seventy-two".