25560848505556 has 192 divisors, whose sum is σ = 57691880451072. Its totient is φ = 9631282434048.

The previous prime is 25560848505551. The next prime is 25560848505581. The reversal of 25560848505556 is 65550584806552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25560848505551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5512365270 + ... + 5512369906.

It is an arithmetic number, because the mean of its divisors is an integer number (300478544016).

Almost surely, 2^{25560848505556} is an apocalyptic number.

25560848505556 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25560848505556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28845940225536).

25560848505556 is an abundant number, since it is smaller than the sum of its proper divisors (32131031945516).

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

25560848505556 is a wasteful number, since it uses less digits than its factorization.

25560848505556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7338 (or 7336 counting only the distinct ones).

The product of its (nonzero) digits is 288000000, while the sum is 64.

The spelling of 25560848505556 in words is "twenty-five trillion, five hundred sixty billion, eight hundred forty-eight million, five hundred five thousand, five hundred fifty-six".