1109994806 has 8 divisors (see below), whose sum is σ = 1666884744. Its totient is φ = 554366560.

The previous prime is 1109994791. The next prime is 1109994863. The reversal of 1109994806 is 6084999011.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 313220 + ... + 316743.

It is an arithmetic number, because the mean of its divisors is an integer number (208360593).

Almost surely, 2^1109994806 is an apocalyptic number.

1109994806 is a deficient number, since it is larger than the sum of its proper divisors (556889938).

1109994806 is an equidigital number, since it uses as much as digits as its factorization.

1109994806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630846.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 1109994806 is about 33316.5845488399. The cubic root of 1109994806 is about 1035.3971904725.

The spelling of 1109994806 in words is "one billion, one hundred nine million, nine hundred ninety-four thousand, eight hundred six".