1109384911 has 4 divisors (see below), whose sum is σ = 1121850000. Its totient is φ = 1096919824.

The previous prime is 1109384891. The next prime is 1109384917. The reversal of 1109384911 is 1194839011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1194839011 = 31183 ⋅38317.

It is a cyclic number.

It is not a de Polignac number, because 1109384911 - 2⁹ = 1109384399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109384917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6232411 + ... + 6232588.

It is an arithmetic number, because the mean of its divisors is an integer number (280462500).

Almost surely, 2^1109384911 is an apocalyptic number.

1109384911 is a deficient number, since it is larger than the sum of its proper divisors (12465089).

1109384911 is an equidigital number, since it uses as much as digits as its factorization.

1109384911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12465088.

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 1109384911 is about 33307.4302671341. The cubic root of 1109384911 is about 1035.2075201367.

The spelling of 1109384911 in words is "one billion, one hundred nine million, three hundred eighty-four thousand, nine hundred eleven".