25562556213948 has 144 divisors (see below), whose sum is σ = 71756290412352. Its totient is φ = 7622743680000.

The previous prime is 25562556213917. The next prime is 25562556213991. The reversal of 25562556213948 is 84931265526552.

25562556213948 is a `hidden beast` number, since 2 + 5 + 5 + 6 + 2 + 556 + 2 + 1 + 39 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1513923 + ... + 7308698.

It is an arithmetic number, because the mean of its divisors is an integer number (498307572308).

Almost surely, 2^{25562556213948} is an apocalyptic number.

It is an amenable number.

25562556213948 is an abundant number, since it is smaller than the sum of its proper divisors (46193734198404).

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

25562556213948 is a wasteful number, since it uses less digits than its factorization.

25562556213948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8822836 (or 8822831 counting only the distinct ones).

The product of its digits is 155520000, while the sum is 63.

The spelling of 25562556213948 in words is "twenty-five trillion, five hundred sixty-two billion, five hundred fifty-six million, two hundred thirteen thousand, nine hundred forty-eight".