525663525365560 has 16 divisors (see below), whose sum is σ = 1182742932072600. Its totient is φ = 210265410146208.

The previous prime is 525663525365519. The next prime is 525663525365581. The reversal of 525663525365560 is 65563525366525.

It is a happy number.

It is a super-2 number, since 2×525663525365560² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525663525365492 and 525663525365501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6570794067030 + ... + 6570794067109.

Almost surely, 2^{525663525365560} is an apocalyptic number.

It is an amenable number.

525663525365560 is an abundant number, since it is smaller than the sum of its proper divisors (657079406707040).

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

525663525365560 is a wasteful number, since it uses less digits than its factorization.

525663525365560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13141588134150 (or 13141588134146 counting only the distinct ones).

The product of its (nonzero) digits is 729000000, while the sum is 64.

The spelling of 525663525365560 in words is "five hundred twenty-five trillion, six hundred sixty-three billion, five hundred twenty-five million, three hundred sixty-five thousand, five hundred sixty".