16905116911 has 2 divisors, whose sum is σ = 16905116912. Its totient is φ = 16905116910.

The previous prime is 16905116869. The next prime is 16905116923. The reversal of 16905116911 is 11961150961.

It is a strong prime.

It is an emirp because it is prime and its reverse (11961150961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16905116911 - 2²⁷ = 16770899183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16905116941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8452558455 + 8452558456.

It is an arithmetic number, because the mean of its divisors is an integer number (8452558456).

Almost surely, 2^16905116911 is an apocalyptic number.

16905116911 is a deficient number, since it is larger than the sum of its proper divisors (1).

16905116911 is an equidigital number, since it uses as much as digits as its factorization.

16905116911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 40.

The spelling of 16905116911 in words is "sixteen billion, nine hundred five million, one hundred sixteen thousand, nine hundred eleven".