5220391992601 has 2 divisors, whose sum is σ = 5220391992602. Its totient is φ = 5220391992600.

The previous prime is 5220391992587. The next prime is 5220391992611. The reversal of 5220391992601 is 1062991930225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2741263016976 + 2479128975625 = 1655676^2 + 1574525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5220391992601 is a prime.

It is not a weakly prime, because it can be changed into another prime (5220391992611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610195996300 + 2610195996301.

It is an arithmetic number, because the mean of its divisors is an integer number (2610195996301).

Almost surely, 2^{5220391992601} is an apocalyptic number.

It is an amenable number.

5220391992601 is a deficient number, since it is larger than the sum of its proper divisors (1).

5220391992601 is an equidigital number, since it uses as much as digits as its factorization.

5220391992601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 49.

The spelling of 5220391992601 in words is "five trillion, two hundred twenty billion, three hundred ninety-one million, nine hundred ninety-two thousand, six hundred one".