5055110000561 has 2 divisors, whose sum is σ = 5055110000562. Its totient is φ = 5055110000560.

The previous prime is 5055110000543. The next prime is 5055110000593. The reversal of 5055110000561 is 1650000115505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3516071264161 + 1539038736400 = 1875119^2 + 1240580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5055110000561 is a prime.

It is not a weakly prime, because it can be changed into another prime (5055110000261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527555000280 + 2527555000281.

It is an arithmetic number, because the mean of its divisors is an integer number (2527555000281).

Almost surely, 2^{5055110000561} is an apocalyptic number.

It is an amenable number.

5055110000561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5055110000561 is an equidigital number, since it uses as much as digits as its factorization.

5055110000561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 5055110000561 in words is "five trillion, fifty-five billion, one hundred ten million, five hundred sixty-one", and thus it is an aban number.