2116707360809 has 16 divisors (see below), whose sum is σ = 2177764822464. Its totient is φ = 2056510209600.

The previous prime is 2116707360799. The next prime is 2116707360829. The reversal of 2116707360809 is 9080637076112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2116707360809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2116707360829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26911079 + ... + 26989619.

It is an arithmetic number, because the mean of its divisors is an integer number (136110301404).

Almost surely, 2^{2116707360809} is an apocalyptic number.

It is an amenable number.

2116707360809 is a deficient number, since it is larger than the sum of its proper divisors (61057461655).

2116707360809 is an equidigital number, since it uses as much as digits as its factorization.

2116707360809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84008.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 2116707360809 in words is "two trillion, one hundred sixteen billion, seven hundred seven million, three hundred sixty thousand, eight hundred nine".