566121113 has 2 divisors, whose sum is σ = 566121114. Its totient is φ = 566121112.

The previous prime is 566121077. The next prime is 566121133. The reversal of 566121113 is 311121665.

566121113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432764809 + 133356304 = 20803^2 + 11548^2 .

It is a cyclic number.

It is not a de Polignac number, because 566121113 - 2¹⁴ = 566104729 is a prime.

It is a super-2 number, since 2×566121113² = 640986229168717538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (566121133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283060556 + 283060557.

It is an arithmetic number, because the mean of its divisors is an integer number (283060557).

Almost surely, 2^566121113 is an apocalyptic number.

It is an amenable number.

566121113 is a deficient number, since it is larger than the sum of its proper divisors (1).

566121113 is an equidigital number, since it uses as much as digits as its factorization.

566121113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 566121113 is about 23793.2997501397. The cubic root of 566121113 is about 827.2493805105.

Adding to 566121113 its reverse (311121665), we get a palindrome (877242778).

The spelling of 566121113 in words is "five hundred sixty-six million, one hundred twenty-one thousand, one hundred thirteen".