117616533791 has 2 divisors, whose sum is σ = 117616533792. Its totient is φ = 117616533790.

The previous prime is 117616533787. The next prime is 117616533803. The reversal of 117616533791 is 197335616711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117616533791 - 2² = 117616533787 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117616533091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58808266895 + 58808266896.

It is an arithmetic number, because the mean of its divisors is an integer number (58808266896).

Almost surely, 2^117616533791 is an apocalyptic number.

117616533791 is a deficient number, since it is larger than the sum of its proper divisors (1).

117616533791 is an equidigital number, since it uses as much as digits as its factorization.

117616533791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 50.

The spelling of 117616533791 in words is "one hundred seventeen billion, six hundred sixteen million, five hundred thirty-three thousand, seven hundred ninety-one".