116668899911 has 4 divisors (see below), whose sum is σ = 116976733800. Its totient is φ = 116361066024.

The previous prime is 116668899883. The next prime is 116668899913. The reversal of 116668899911 is 119998866611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116668899911 is a prime.

It is a super-2 number, since 2×116668899911² (a number of 23 digits) contains 22 as substring.

116668899911 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 (116668899913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153916376 + ... + 153917133.

It is an arithmetic number, because the mean of its divisors is an integer number (29244183450).

Almost surely, 2^116668899911 is an apocalyptic number.

116668899911 is a deficient number, since it is larger than the sum of its proper divisors (307833889).

116668899911 is an equidigital number, since it uses as much as digits as its factorization.

116668899911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307833888.

The product of its digits is 10077696, while the sum is 65.

The spelling of 116668899911 in words is "one hundred sixteen billion, six hundred sixty-eight million, eight hundred ninety-nine thousand, nine hundred eleven".