21716152220048 has 80 divisors (see below), whose sum is σ = 49570854512256. Its totient is φ = 9085859819520.

The previous prime is 21716152220011. The next prime is 21716152220051. The reversal of 21716152220048 is 84002225161712.

It is a junction number, because it is equal to n+sod(n) for n = 21716152219987 and 21716152220014.

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, 12636140 + ... + 14251467.

Almost surely, 2^{21716152220048} is an apocalyptic number.

It is an amenable number.

21716152220048 is an abundant number, since it is smaller than the sum of its proper divisors (27854702292208).

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

21716152220048 is a wasteful number, since it uses less digits than its factorization.

21716152220048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26887992 (or 26887986 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 21716152220048 in words is "twenty-one trillion, seven hundred sixteen billion, one hundred fifty-two million, two hundred twenty thousand, forty-eight".