556106011 has 2 divisors, whose sum is σ = 556106012. Its totient is φ = 556106010.

The previous prime is 556105999. The next prime is 556106053. The reversal of 556106011 is 110601655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556106011 - 2⁹ = 556105499 is a prime.

It is not a weakly prime, because it can be changed into another prime (556106081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278053005 + 278053006.

It is an arithmetic number, because the mean of its divisors is an integer number (278053006).

Almost surely, 2^556106011 is an apocalyptic number.

556106011 is a deficient number, since it is larger than the sum of its proper divisors (1).

556106011 is an equidigital number, since it uses as much as digits as its factorization.

556106011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 556106011 is about 23581.9000718772. The cubic root of 556106011 is about 822.3421097937.

Adding to 556106011 its reverse (110601655), we get a palindrome (666707666).

The spelling of 556106011 in words is "five hundred fifty-six million, one hundred six thousand, eleven".