556145011 has 2 divisors, whose sum is σ = 556145012. Its totient is φ = 556145010.

The previous prime is 556144999. The next prime is 556145017. The reversal of 556145011 is 110541655.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556145011 - 2¹⁵ = 556112243 is a prime.

It is not a weakly prime, because it can be changed into another prime (556145017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278072505 + 278072506.

It is an arithmetic number, because the mean of its divisors is an integer number (278072506).

Almost surely, 2^556145011 is an apocalyptic number.

556145011 is a deficient number, since it is larger than the sum of its proper divisors (1).

556145011 is an equidigital number, since it uses as much as digits as its factorization.

556145011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 556145011 is about 23582.7269627581. The cubic root of 556145011 is about 822.3613331024.

Adding to 556145011 its reverse (110541655), we get a palindrome (666686666).

The spelling of 556145011 in words is "five hundred fifty-six million, one hundred forty-five thousand, eleven".