5200665560801 has 2 divisors, whose sum is σ = 5200665560802. Its totient is φ = 5200665560800.

The previous prime is 5200665560791. The next prime is 5200665560813. The reversal of 5200665560801 is 1080655660025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5159871256225 + 40794304576 = 2271535^2 + 201976^2 .

It is a cyclic number.

It is not a de Polignac number, because 5200665560801 - 2¹⁰ = 5200665559777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5200665560891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600332780400 + 2600332780401.

It is an arithmetic number, because the mean of its divisors is an integer number (2600332780401).

Almost surely, 2^{5200665560801} is an apocalyptic number.

It is an amenable number.

5200665560801 is a deficient number, since it is larger than the sum of its proper divisors (1).

5200665560801 is an equidigital number, since it uses as much as digits as its factorization.

5200665560801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 5200665560801 in words is "five trillion, two hundred billion, six hundred sixty-five million, five hundred sixty thousand, eight hundred one".