116656605011 has 4 divisors (see below), whose sum is σ = 116657691072. Its totient is φ = 116655518952.

The previous prime is 116656604929. The next prime is 116656605017. The reversal of 116656605011 is 110506656611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 110506656611 = 13 ⋅8500512047.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116656605011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116656605017) 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, 361736 + ... + 603461.

It is an arithmetic number, because the mean of its divisors is an integer number (29164422768).

Almost surely, 2^116656605011 is an apocalyptic number.

116656605011 is a deficient number, since it is larger than the sum of its proper divisors (1086061).

116656605011 is an equidigital number, since it uses as much as digits as its factorization.

116656605011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086060.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 116656605011 in words is "one hundred sixteen billion, six hundred fifty-six million, six hundred five thousand, eleven".