116506660566111 has 4 divisors (see below), whose sum is σ = 155342214088152. Its totient is φ = 77671107044072.

The previous prime is 116506660566077. The next prime is 116506660566119. The reversal of 116506660566111 is 111665066605611.

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

It is a cyclic number.

It is not a de Polignac number, because 116506660566111 - 2¹³ = 116506660557919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116506660566119) 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, 19417776761016 + ... + 19417776761021.

It is an arithmetic number, because the mean of its divisors is an integer number (38835553522038).

Almost surely, 2^{116506660566111} is an apocalyptic number.

116506660566111 is a deficient number, since it is larger than the sum of its proper divisors (38835553522041).

116506660566111 is an equidigital number, since it uses as much as digits as its factorization.

116506660566111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38835553522040.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 116506660566111 in words is "one hundred sixteen trillion, five hundred six billion, six hundred sixty million, five hundred sixty-six thousand, one hundred eleven".