1109118143 has 8 divisors (see below), whose sum is σ = 1269705888. Its totient is φ = 949065984.

The previous prime is 1109118139. The next prime is 1109118149. The reversal of 1109118143 is 3418119011.

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 1109118143 - 2² = 1109118139 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 (1109118149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129446 + ... + 137747.

It is an arithmetic number, because the mean of its divisors is an integer number (158713236).

Almost surely, 2^1109118143 is an apocalyptic number.

1109118143 is a deficient number, since it is larger than the sum of its proper divisors (160587745).

1109118143 is an equidigital number, since it uses as much as digits as its factorization.

1109118143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267793.

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 1109118143 is about 33303.4253943945. The cubic root of 1109118143 is about 1035.1245365015.

The spelling of 1109118143 in words is "one billion, one hundred nine million, one hundred eighteen thousand, one hundred forty-three".