1109110091 has 8 divisors (see below), whose sum is σ = 1114202304. Its totient is φ = 1104026560.

The previous prime is 1109110087. The next prime is 1109110103. The reversal of 1109110091 is 1900119011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1109110091 - 2² = 1109110087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1109110031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452030 + ... + 454476.

It is an arithmetic number, because the mean of its divisors is an integer number (139275288).

Almost surely, 2^1109110091 is an apocalyptic number.

1109110091 is a deficient number, since it is larger than the sum of its proper divisors (5092213).

1109110091 is a wasteful number, since it uses less digits than its factorization.

1109110091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341.

The product of its (nonzero) digits is 81, while the sum is 23.

The square root of 1109110091 is about 33303.3045057093. The cubic root of 1109110091 is about 1035.1220315556.

The spelling of 1109110091 in words is "one billion, one hundred nine million, one hundred ten thousand, ninety-one".