5556066020569 has 2 divisors, whose sum is σ = 5556066020570. Its totient is φ = 5556066020568.

The previous prime is 5556066020423. The next prime is 5556066020587. The reversal of 5556066020569 is 9650206606555.

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., 4346341004944 + 1209725015625 = 2084788^2 + 1099875^2 .

It is a cyclic number.

It is not a de Polignac number, because 5556066020569 - 2¹¹ = 5556066018521 is a prime.

It is a super-2 number, since 2×5556066020569² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5556066020069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778033010284 + 2778033010285.

It is an arithmetic number, because the mean of its divisors is an integer number (2778033010285).

Almost surely, 2^{5556066020569} is an apocalyptic number.

It is an amenable number.

5556066020569 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556066020569 is an equidigital number, since it uses as much as digits as its factorization.

5556066020569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580000, while the sum is 55.

The spelling of 5556066020569 in words is "five trillion, five hundred fifty-six billion, sixty-six million, twenty thousand, five hundred sixty-nine".