554493865811 has 2 divisors, whose sum is σ = 554493865812. Its totient is φ = 554493865810.

The previous prime is 554493865771. The next prime is 554493865817. The reversal of 554493865811 is 118568394455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 554493865811 - 2¹⁰ = 554493864787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (554493865817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277246932905 + 277246932906.

It is an arithmetic number, because the mean of its divisors is an integer number (277246932906).

Almost surely, 2^554493865811 is an apocalyptic number.

554493865811 is a deficient number, since it is larger than the sum of its proper divisors (1).

554493865811 is an equidigital number, since it uses as much as digits as its factorization.

554493865811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736000, while the sum is 59.

The spelling of 554493865811 in words is "five hundred fifty-four billion, four hundred ninety-three million, eight hundred sixty-five thousand, eight hundred eleven".