65560660051001 has 2 divisors, whose sum is σ = 65560660051002. Its totient is φ = 65560660051000.

The previous prime is 65560660050989. The next prime is 65560660051031. The reversal of 65560660051001 is 10015006606556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35631062118976 + 29929597932025 = 5969176^2 + 5470795^2 .

It is a cyclic number.

It is not a de Polignac number, because 65560660051001 - 2¹⁸ = 65560659788857 is a prime.

It is a super-2 number, since 2×65560660051001² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65560660051001.

It is not a weakly prime, because it can be changed into another prime (65560660051031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32780330025500 + 32780330025501.

It is an arithmetic number, because the mean of its divisors is an integer number (32780330025501).

Almost surely, 2^{65560660051001} is an apocalyptic number.

It is an amenable number.

65560660051001 is a deficient number, since it is larger than the sum of its proper divisors (1).

65560660051001 is an equidigital number, since it uses as much as digits as its factorization.

65560660051001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 41.

Adding to 65560660051001 its reverse (10015006606556), we get a palindrome (75575666657557).

The spelling of 65560660051001 in words is "sixty-five trillion, five hundred sixty billion, six hundred sixty million, fifty-one thousand, one".