65500516515701 has 2 divisors, whose sum is σ = 65500516515702. Its totient is φ = 65500516515700.

The previous prime is 65500516515683. The next prime is 65500516515769. The reversal of 65500516515701 is 10751561500556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40036876600900 + 25463639914801 = 6327470^2 + 5046151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65500516515701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65500516115701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32750258257850 + 32750258257851.

It is an arithmetic number, because the mean of its divisors is an integer number (32750258257851).

Almost surely, 2^{65500516515701} is an apocalyptic number.

It is an amenable number.

65500516515701 is a deficient number, since it is larger than the sum of its proper divisors (1).

65500516515701 is an equidigital number, since it uses as much as digits as its factorization.

65500516515701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787500, while the sum is 47.

The spelling of 65500516515701 in words is "sixty-five trillion, five hundred billion, five hundred sixteen million, five hundred fifteen thousand, seven hundred one".