25656022223060 has 24 divisors (see below), whose sum is σ = 54615696625896. Its totient is φ = 10121827944960.

The previous prime is 25656022223009. The next prime is 25656022223077. The reversal of 25656022223060 is 6032222065652.

It can be written as a sum of positive squares in 4 ways, for example, as 27682969924 + 25628339253136 = 166382^2 + 5062444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25656022222999 and 25656022223017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8786307521 + ... + 8786310440.

It is an arithmetic number, because the mean of its divisors is an integer number (2275654026079).

Almost surely, 2^{25656022223060} is an apocalyptic number.

25656022223060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25656022223060 is an abundant number, since it is smaller than the sum of its proper divisors (28959674402836).

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

25656022223060 is a wasteful number, since it uses less digits than its factorization.

25656022223060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17572618043 (or 17572618041 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 25656022223060 in words is "twenty-five trillion, six hundred fifty-six billion, twenty-two million, two hundred twenty-three thousand, sixty".