556420020011 has 2 divisors, whose sum is σ = 556420020012. Its totient is φ = 556420020010.

The previous prime is 556420020001. The next prime is 556420020019. The reversal of 556420020011 is 110020024655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556420020011 - 2³⁰ = 555346278187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (556420020019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278210010005 + 278210010006.

It is an arithmetic number, because the mean of its divisors is an integer number (278210010006).

Almost surely, 2^556420020011 is an apocalyptic number.

556420020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

556420020011 is an equidigital number, since it uses as much as digits as its factorization.

556420020011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 556420020011 its reverse (110020024655), we get a palindrome (666440044666).

The spelling of 556420020011 in words is "five hundred fifty-six billion, four hundred twenty million, twenty thousand, eleven".