25563244236552 has 128 divisors (see below), whose sum is σ = 77716705651200. Its totient is φ = 7721204731200.

The previous prime is 25563244236533. The next prime is 25563244236601.

25563244236552 is a `hidden beast` number, since 2 + 5 + 5 + 63 + 2 + 4 + 4 + 23 + 6 + 552 = 666.

25563244236552 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16793274 + ... + 18252137.

It is an arithmetic number, because the mean of its divisors is an integer number (607161762900).

Almost surely, 2^{25563244236552} is an apocalyptic number.

25563244236552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25563244236552 is an abundant number, since it is smaller than the sum of its proper divisors (52153461414648).

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

25563244236552 is a wasteful number, since it uses less digits than its factorization.

25563244236552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35045744 (or 35045734 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 54.

The spelling of 25563244236552 in words is "twenty-five trillion, five hundred sixty-three billion, two hundred forty-four million, two hundred thirty-six thousand, five hundred fifty-two".