1109091110 has 8 divisors (see below), whose sum is σ = 1996364016. Its totient is φ = 443636440.

The previous prime is 1109091107. The next prime is 1109091163. The reversal of 1109091110 is 111909011.

It is a happy number.

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

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, 55454546 + ... + 55454565.

It is an arithmetic number, because the mean of its divisors is an integer number (249545502).

Almost surely, 2^1109091110 is an apocalyptic number.

1109091110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1109091110 is a deficient number, since it is larger than the sum of its proper divisors (887272906).

1109091110 is a wasteful number, since it uses less digits than its factorization.

1109091110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110909118.

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

The square root of 1109091110 is about 33303.0195327691. The cubic root of 1109091110 is about 1035.1161265922.

It can be divided in two parts, 1109091 and 110, that multiplied together give a triangular number (122000010 = T₁₅₆₂₀).

The spelling of 1109091110 in words is "one billion, one hundred nine million, ninety-one thousand, one hundred ten".