1109191316 has 12 divisors (see below), whose sum is σ = 2055266388. Its totient is φ = 521972352.

The previous prime is 1109191309. The next prime is 1109191331. The reversal of 1109191316 is 6131919011.

It can be written as a sum of positive squares in 2 ways, for example, as 616528900 + 492662416 = 24830^2 + 22196^2 .

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, 8155751 + ... + 8155886.

It is an arithmetic number, because the mean of its divisors is an integer number (171272199).

Almost surely, 2^1109191316 is an apocalyptic number.

It is an amenable number.

1109191316 is a deficient number, since it is larger than the sum of its proper divisors (946075072).

1109191316 is a wasteful number, since it uses less digits than its factorization.

1109191316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16311658 (or 16311656 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 32.

The square root of 1109191316 is about 33304.5239569642. The cubic root of 1109191316 is about 1035.1472997820.

The spelling of 1109191316 in words is "one billion, one hundred nine million, one hundred ninety-one thousand, three hundred sixteen".