21102304540848 has 80 divisors (see below), whose sum is σ = 56886318447360. Its totient is φ = 6728052748032.

The previous prime is 21102304540831. The next prime is 21102304540939. The reversal of 21102304540848 is 84804540320112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35622663 + ... + 36210201.

It is an arithmetic number, because the mean of its divisors is an integer number (711078980592).

Almost surely, 2^{21102304540848} is an apocalyptic number.

It is an amenable number.

21102304540848 is an abundant number, since it is smaller than the sum of its proper divisors (35784013906512).

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

21102304540848 is a wasteful number, since it uses less digits than its factorization.

21102304540848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620106 (or 620100 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 21102304540848 in words is "twenty-one trillion, one hundred two billion, three hundred four million, five hundred forty thousand, eight hundred forty-eight".