1108192809 has 16 divisors (see below), whose sum is σ = 1519869888. Its totient is φ = 717717312.

The previous prime is 1108192807. The next prime is 1108192819. The reversal of 1108192809 is 9082918011.

It is not a de Polignac number, because 1108192809 - 2¹ = 1108192807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1108192807) 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 15 ways as a sum of consecutive naturals, for example, 67774 + ... + 82520.

It is an arithmetic number, because the mean of its divisors is an integer number (94991868).

Almost surely, 2^1108192809 is an apocalyptic number.

It is an amenable number.

1108192809 is a deficient number, since it is larger than the sum of its proper divisors (411677079).

1108192809 is a wasteful number, since it uses less digits than its factorization.

1108192809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15464.

The product of its (nonzero) digits is 10368, while the sum is 39.

The square root of 1108192809 is about 33289.5300207137. The cubic root of 1108192809 is about 1034.8365892915.

The spelling of 1108192809 in words is "one billion, one hundred eight million, one hundred ninety-two thousand, eight hundred nine".