116666999911 has 32 divisors (see below), whose sum is σ = 153282087936. Its totient is φ = 86095680000.

The previous prime is 116666999873. The next prime is 116666999921. The reversal of 116666999911 is 119999666611.

It is not a de Polignac number, because 116666999911 - 2²⁹ = 116130128999 is a prime.

It is a super-2 number, since 2×116666999911² (a number of 23 digits) contains 22 as substring.

116666999911 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116666999921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147250 + ... + 504991.

It is an arithmetic number, because the mean of its divisors is an integer number (4790065248).

Almost surely, 2^116666999911 is an apocalyptic number.

116666999911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116666999911 is a deficient number, since it is larger than the sum of its proper divisors (36615088025).

116666999911 is a wasteful number, since it uses less digits than its factorization.

116666999911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652383.

The product of its digits is 8503056, while the sum is 64.

The spelling of 116666999911 in words is "one hundred sixteen billion, six hundred sixty-six million, nine hundred ninety-nine thousand, nine hundred eleven".