26561472570560 has 28 divisors (see below), whose sum is σ = 63249506559408. Its totient is φ = 10624589028096.

The previous prime is 26561472570559. The next prime is 26561472570631. The reversal of 26561472570560 is 6507527416562.

It is a super-2 number, since 2×26561472570560² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26561472570496 and 26561472570505.

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, 41502300572 + ... + 41502301211.

Almost surely, 2^{26561472570560} is an apocalyptic number.

26561472570560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26561472570560 is an abundant number, since it is smaller than the sum of its proper divisors (36688033988848).

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

26561472570560 is an equidigital number, since it uses as much as digits as its factorization.

26561472570560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83004601800 (or 83004601790 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 26561472570560 in words is "twenty-six trillion, five hundred sixty-one billion, four hundred seventy-two million, five hundred seventy thousand, five hundred sixty".