1109843720159 has 8 divisors (see below), whose sum is σ = 1110551545680. Its totient is φ = 1109136099456.

The previous prime is 1109843720143. The next prime is 1109843720171. The reversal of 1109843720159 is 9510273489011.

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 1109843720159 - 2⁴ = 1109843720143 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 (1109843720119) 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, 11624087 + ... + 11719175.

It is an arithmetic number, because the mean of its divisors is an integer number (138818943210).

Almost surely, 2^{1109843720159} is an apocalyptic number.

1109843720159 is a deficient number, since it is larger than the sum of its proper divisors (707825521).

1109843720159 is an equidigital number, since it uses as much as digits as its factorization.

1109843720159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102409.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 1109843720159 in words is "one trillion, one hundred nine billion, eight hundred forty-three million, seven hundred twenty thousand, one hundred fifty-nine".