6565100556241 has 2 divisors, whose sum is σ = 6565100556242. Its totient is φ = 6565100556240.

The previous prime is 6565100556137. The next prime is 6565100556257. The reversal of 6565100556241 is 1426550015656.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4270542107841 + 2294558448400 = 2066529^2 + 1514780^2 .

It is a cyclic number.

It is not a de Polignac number, because 6565100556241 - 2¹¹ = 6565100554193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6565100556191 and 6565100556200.

It is not a weakly prime, because it can be changed into another prime (6565100556281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282550278120 + 3282550278121.

It is an arithmetic number, because the mean of its divisors is an integer number (3282550278121).

Almost surely, 2^{6565100556241} is an apocalyptic number.

It is an amenable number.

6565100556241 is a deficient number, since it is larger than the sum of its proper divisors (1).

6565100556241 is an equidigital number, since it uses as much as digits as its factorization.

6565100556241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 6565100556241 in words is "six trillion, five hundred sixty-five billion, one hundred million, five hundred fifty-six thousand, two hundred forty-one".