1116003305 has 8 divisors (see below), whose sum is σ = 1343776392. Its totient is φ = 889754368.

The previous prime is 1116003289. The next prime is 1116003311. The reversal of 1116003305 is 5033006111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 712676416 + 403326889 = 26696^2 + 20083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1116003305 - 2⁴ = 1116003289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379424 + ... + 382353.

It is an arithmetic number, because the mean of its divisors is an integer number (167972049).

Almost surely, 2^1116003305 is an apocalyptic number.

It is an amenable number.

1116003305 is a deficient number, since it is larger than the sum of its proper divisors (227773087).

1116003305 is an equidigital number, since it uses as much as digits as its factorization.

1116003305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762075.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1116003305 is about 33406.6356432371. The cubic root of 1116003305 is about 1037.2620614661.

Adding to 1116003305 its reverse (5033006111), we get a palindrome (6149009416).

The spelling of 1116003305 in words is "one billion, one hundred sixteen million, three thousand, three hundred five".