215822965711116 has 12 divisors (see below), whose sum is σ = 503586919992632. Its totient is φ = 71940988570368.

The previous prime is 215822965711057. The next prime is 215822965711117. The reversal of 215822965711116 is 611117569228512.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (215822965711117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8992623571285 + ... + 8992623571308.

Almost surely, 2^{215822965711116} is an apocalyptic number.

It is an amenable number.

215822965711116 is an abundant number, since it is smaller than the sum of its proper divisors (287763954281516).

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

215822965711116 is a wasteful number, since it uses less digits than its factorization.

215822965711116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17985247142600 (or 17985247142598 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 57.

The spelling of 215822965711116 in words is "two hundred fifteen trillion, eight hundred twenty-two billion, nine hundred sixty-five million, seven hundred eleven thousand, one hundred sixteen".