101791519796717 has 2 divisors, whose sum is σ = 101791519796718. Its totient is φ = 101791519796716.

The previous prime is 101791519796683. The next prime is 101791519796737. The reversal of 101791519796717 is 717697915197101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93563175913636 + 8228343883081 = 9672806^2 + 2868509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101791519796717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101791519796737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50895759898358 + 50895759898359.

It is an arithmetic number, because the mean of its divisors is an integer number (50895759898359).

Almost surely, 2^{101791519796717} is an apocalyptic number.

It is an amenable number.

101791519796717 is a deficient number, since it is larger than the sum of its proper divisors (1).

101791519796717 is an equidigital number, since it uses as much as digits as its factorization.

101791519796717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52509870, while the sum is 71.

The spelling of 101791519796717 in words is "one hundred one trillion, seven hundred ninety-one billion, five hundred nineteen million, seven hundred ninety-six thousand, seven hundred seventeen".