1116861199 has 2 divisors, whose sum is σ = 1116861200. Its totient is φ = 1116861198.

The previous prime is 1116861181. The next prime is 1116861233. The reversal of 1116861199 is 9911686111.

It is a weak prime.

It is an emirp because it is prime and its reverse (9911686111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1116861199 - 2⁹ = 1116860687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116861299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558430599 + 558430600.

It is an arithmetic number, because the mean of its divisors is an integer number (558430600).

Almost surely, 2^1116861199 is an apocalyptic number.

1116861199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116861199 is an equidigital number, since it uses as much as digits as its factorization.

1116861199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 43.

The square root of 1116861199 is about 33419.4733501293. The cubic root of 1116861199 is about 1037.5277814015.

The spelling of 1116861199 in words is "one billion, one hundred sixteen million, eight hundred sixty-one thousand, one hundred ninety-nine".