116666665111 has 2 divisors, whose sum is σ = 116666665112. Its totient is φ = 116666665110.

The previous prime is 116666665061. The next prime is 116666665127. The reversal of 116666665111 is 111566666611.

It is a strong prime.

It is an emirp because it is prime and its reverse (111566666611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116666665111 is a prime.

It is a super-2 number, since 2×116666665111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116666645111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58333332555 + 58333332556.

It is an arithmetic number, because the mean of its divisors is an integer number (58333332556).

Almost surely, 2^116666665111 is an apocalyptic number.

116666665111 is a deficient number, since it is larger than the sum of its proper divisors (1).

116666665111 is an equidigital number, since it uses as much as digits as its factorization.

116666665111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 46.

The spelling of 116666665111 in words is "one hundred sixteen billion, six hundred sixty-six million, six hundred sixty-five thousand, one hundred eleven".