5566121546273 has 2 divisors, whose sum is σ = 5566121546274. Its totient is φ = 5566121546272.

The previous prime is 5566121546243. The next prime is 5566121546317. The reversal of 5566121546273 is 3726451216655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4950927604624 + 615193941649 = 2225068^2 + 784343^2 .

It is a cyclic number.

It is not a de Polignac number, because 5566121546273 - 2²⁸ = 5565853110817 is a prime.

It is not a weakly prime, because it can be changed into another prime (5566121546243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2783060773136 + 2783060773137.

It is an arithmetic number, because the mean of its divisors is an integer number (2783060773137).

Almost surely, 2^{5566121546273} is an apocalyptic number.

It is an amenable number.

5566121546273 is a deficient number, since it is larger than the sum of its proper divisors (1).

5566121546273 is an equidigital number, since it uses as much as digits as its factorization.

5566121546273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072000, while the sum is 53.

The spelling of 5566121546273 in words is "five trillion, five hundred sixty-six billion, one hundred twenty-one million, five hundred forty-six thousand, two hundred seventy-three".