1109303808 has 160 divisors (see below), whose sum is σ = 3078820800. Its totient is φ = 354631680.

The previous prime is 1109303773. The next prime is 1109303813. The reversal of 1109303808 is 8083039011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7444918 + ... + 7445066.

It is an arithmetic number, because the mean of its divisors is an integer number (19242630).

Almost surely, 2^1109303808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109303808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539410400).

1109303808 is an abundant number, since it is smaller than the sum of its proper divisors (1969516992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1109303808 is a wasteful number, since it uses less digits than its factorization.

1109303808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1109303808 is about 33306.2127537791. The cubic root of 1109303808 is about 1035.1822927996.

It can be divided in two parts, 1109303 and 808, that added together give a palindrome (1110111).

The spelling of 1109303808 in words is "one billion, one hundred nine million, three hundred three thousand, eight hundred eight".