65500717117361 has 2 divisors, whose sum is σ = 65500717117362. Its totient is φ = 65500717117360.

The previous prime is 65500717117327. The next prime is 65500717117369. The reversal of 65500717117361 is 16371171700556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45083368792225 + 20417348325136 = 6714415^2 + 4518556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65500717117361 is a prime.

It is not a weakly prime, because it can be changed into another prime (65500717117369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32750358558680 + 32750358558681.

It is an arithmetic number, because the mean of its divisors is an integer number (32750358558681).

Almost surely, 2^{65500717117361} is an apocalyptic number.

It is an amenable number.

65500717117361 is a deficient number, since it is larger than the sum of its proper divisors (1).

65500717117361 is an equidigital number, since it uses as much as digits as its factorization.

65500717117361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 926100, while the sum is 50.

The spelling of 65500717117361 in words is "sixty-five trillion, five hundred billion, seven hundred seventeen million, one hundred seventeen thousand, three hundred sixty-one".