1116840019 has 2 divisors, whose sum is σ = 1116840020. Its totient is φ = 1116840018.

The previous prime is 1116840013. The next prime is 1116840059. The reversal of 1116840019 is 9100486111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116840019 is a prime.

It is a super-2 number, since 2×1116840019² = 2494663256079840722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1116840013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558420009 + 558420010.

It is an arithmetic number, because the mean of its divisors is an integer number (558420010).

Almost surely, 2^1116840019 is an apocalyptic number.

1116840019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116840019 is an equidigital number, since it uses as much as digits as its factorization.

1116840019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 1116840019 is about 33419.1564675113. The cubic root of 1116840019 is about 1037.5212228494.

The spelling of 1116840019 in words is "one billion, one hundred sixteen million, eight hundred forty thousand, nineteen".