1118844611 has 2 divisors, whose sum is σ = 1118844612. Its totient is φ = 1118844610.

The previous prime is 1118844589. The next prime is 1118844631. The reversal of 1118844611 is 1164488111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1118844611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1118844631) 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, 559422305 + 559422306.

It is an arithmetic number, because the mean of its divisors is an integer number (559422306).

Almost surely, 2^1118844611 is an apocalyptic number.

1118844611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118844611 is an equidigital number, since it uses as much as digits as its factorization.

1118844611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 35.

The square root of 1118844611 is about 33449.1346823801. The cubic root of 1118844611 is about 1038.1415933034.

The spelling of 1118844611 in words is "one billion, one hundred eighteen million, eight hundred forty-four thousand, six hundred eleven".