559115861 has 2 divisors, whose sum is σ = 559115862. Its totient is φ = 559115860.

The previous prime is 559115819. The next prime is 559115867. The reversal of 559115861 is 168511955.

559115861 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., 474586225 + 84529636 = 21785^2 + 9194^2 .

It is a cyclic number.

It is not a de Polignac number, because 559115861 - 2⁶ = 559115797 is a prime.

It is a super-2 number, since 2×559115861² = 625221092043542642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (559115867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279557930 + 279557931.

It is an arithmetic number, because the mean of its divisors is an integer number (279557931).

Almost surely, 2^559115861 is an apocalyptic number.

It is an amenable number.

559115861 is a deficient number, since it is larger than the sum of its proper divisors (1).

559115861 is an equidigital number, since it uses as much as digits as its factorization.

559115861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 41.

The square root of 559115861 is about 23645.6309072099. The cubic root of 559115861 is about 823.8230470598.

The spelling of 559115861 in words is "five hundred fifty-nine million, one hundred fifteen thousand, eight hundred sixty-one".