1118083809 has 8 divisors (see below), whose sum is σ = 1490946912. Its totient is φ = 745304960.

The previous prime is 1118083793. The next prime is 1118083847. The reversal of 1118083809 is 9083808111.

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 1118083809 - 2⁴ = 1118083793 is a prime.

It is a super-2 number, since 2×1118083809² = 2500222807895896962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1118083009) 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 in 7 ways as a sum of consecutive naturals, for example, 23182 + ... + 52664.

It is an arithmetic number, because the mean of its divisors is an integer number (186368364).

Almost surely, 2^1118083809 is an apocalyptic number.

It is an amenable number.

1118083809 is a deficient number, since it is larger than the sum of its proper divisors (372863103).

1118083809 is a wasteful number, since it uses less digits than its factorization.

1118083809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42127.

The product of its (nonzero) digits is 13824, while the sum is 39.

The square root of 1118083809 is about 33437.7602270248. The cubic root of 1118083809 is about 1037.9062316683.

The spelling of 1118083809 in words is "one billion, one hundred eighteen million, eighty-three thousand, eight hundred nine".