117211323816 has 48 divisors (see below), whose sum is σ = 325189961460. Its totient is φ = 38117502720.

The previous prime is 117211323793. The next prime is 117211323821. The reversal of 117211323816 is 618323112711.

117211323816 is a `hidden beast` number, since 117 + 211 + 323 + 8 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 117206261316 + 5062500 = 342354^2 + 2250^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19849915 + ... + 19855818.

Almost surely, 2^117211323816 is an apocalyptic number.

It is an amenable number.

117211323816 is an abundant number, since it is smaller than the sum of its proper divisors (207978637644).

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

117211323816 is a wasteful number, since it uses less digits than its factorization.

117211323816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39705786 (or 39705779 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The spelling of 117211323816 in words is "one hundred seventeen billion, two hundred eleven million, three hundred twenty-three thousand, eight hundred sixteen".