25560003188680 has 128 divisors (see below), whose sum is σ = 60678052560000. Its totient is φ = 9663319111680.

The previous prime is 25560003188659. The next prime is 25560003188689. The reversal of 25560003188680 is 8688130006552.

It is not an unprimeable number, because it can be changed into a prime (25560003188689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1068684082 + ... + 1068707998.

It is an arithmetic number, because the mean of its divisors is an integer number (474047285625).

Almost surely, 2^{25560003188680} is an apocalyptic number.

25560003188680 is a gapful number since it is divisible by the number (20) 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 25560003188680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30339026280000).

25560003188680 is an abundant number, since it is smaller than the sum of its proper divisors (35118049371320).

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

25560003188680 is a wasteful number, since it uses less digits than its factorization.

25560003188680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27167 (or 27163 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 25560003188680 in words is "twenty-five trillion, five hundred sixty billion, three million, one hundred eighty-eight thousand, six hundred eighty".