21192885211792 has 80 divisors (see below), whose sum is σ = 50899411729152. Its totient is φ = 8339893309440.

The previous prime is 21192885211721. The next prime is 21192885211811. The reversal of 21192885211792 is 29711258829112.

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, 135662388 + ... + 135818515.

Almost surely, 2^{21192885211792} is an apocalyptic number.

It is an amenable number.

21192885211792 is an abundant number, since it is smaller than the sum of its proper divisors (29706526517360).

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

21192885211792 is a wasteful number, since it uses less digits than its factorization.

21192885211792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271480976 (or 271480970 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 58.

The spelling of 21192885211792 in words is "twenty-one trillion, one hundred ninety-two billion, eight hundred eighty-five million, two hundred eleven thousand, seven hundred ninety-two".