21560130048 has 80 divisors (see below), whose sum is σ = 60816286080. Its totient is φ = 6763954176.

The previous prime is 21560130001. The next prime is 21560130061. The reversal of 21560130048 is 84003106512.

It is a junction number, because it is equal to n+sod(n) for n = 21560129997 and 21560130024.

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, 386728 + ... + 438951.

It is an arithmetic number, because the mean of its divisors is an integer number (760203576).

Almost surely, 2^21560130048 is an apocalyptic number.

It is an amenable number.

21560130048 is an abundant number, since it is smaller than the sum of its proper divisors (39256156032).

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

21560130048 is an equidigital number, since it uses as much as digits as its factorization.

21560130048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825717 (or 825701 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 21560130048 in words is "twenty-one billion, five hundred sixty million, one hundred thirty thousand, forty-eight".