65611226325361 has 2 divisors, whose sum is σ = 65611226325362. Its totient is φ = 65611226325360.

The previous prime is 65611226325343. The next prime is 65611226325367. The reversal of 65611226325361 is 16352362211656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63233906400625 + 2377319924736 = 7951975^2 + 1541856^2 .

It is a cyclic number.

It is not a de Polignac number, because 65611226325361 - 2⁵ = 65611226325329 is a prime.

It is a super-2 number, since 2×65611226325361² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65611226325367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32805613162680 + 32805613162681.

It is an arithmetic number, because the mean of its divisors is an integer number (32805613162681).

Almost surely, 2^{65611226325361} is an apocalyptic number.

It is an amenable number.

65611226325361 is a deficient number, since it is larger than the sum of its proper divisors (1).

65611226325361 is an equidigital number, since it uses as much as digits as its factorization.

65611226325361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 49.

The spelling of 65611226325361 in words is "sixty-five trillion, six hundred eleven billion, two hundred twenty-six million, three hundred twenty-five thousand, three hundred sixty-one".