1118083009 has 2 divisors, whose sum is σ = 1118083010. Its totient is φ = 1118083008.

The previous prime is 1118083007. The next prime is 1118083027. The reversal of 1118083009 is 9003808111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1077480625 + 40602384 = 32825^2 + 6372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118083009 - 2¹ = 1118083007 is a prime.

It is a super-5 number, since 5×1118083009⁵ (a number of 46 digits) contains 55555 as substring.

Together with 1118083007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1118083007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559041504 + 559041505.

It is an arithmetic number, because the mean of its divisors is an integer number (559041505).

Almost surely, 2^1118083009 is an apocalyptic number.

It is an amenable number.

1118083009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118083009 is an equidigital number, since it uses as much as digits as its factorization.

1118083009 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 1118083009 is about 33437.7482644989. The cubic root of 1118083009 is about 1037.9059841242.

The spelling of 1118083009 in words is "one billion, one hundred eighteen million, eighty-three thousand, nine".