1116559259 has 2 divisors, whose sum is σ = 1116559260. Its totient is φ = 1116559258.

The previous prime is 1116559253. The next prime is 1116559289. The reversal of 1116559259 is 9529556111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1116559259 - 2¹⁶ = 1116493723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1116559253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558279629 + 558279630.

It is an arithmetic number, because the mean of its divisors is an integer number (558279630).

Almost surely, 2^1116559259 is an apocalyptic number.

1116559259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116559259 is an equidigital number, since it uses as much as digits as its factorization.

1116559259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121500, while the sum is 44.

The square root of 1116559259 is about 33414.9556187046. The cubic root of 1116559259 is about 1037.4342754901.

The spelling of 1116559259 in words is "one billion, one hundred sixteen million, five hundred fifty-nine thousand, two hundred fifty-nine".