1109843720160 has 144 divisors (see below), whose sum is σ = 4066784575056. Its totient is φ = 253678559232.

The previous prime is 1109843720143. The next prime is 1109843720171. The reversal of 1109843720160 is 610273489011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23570097 + ... + 23617136.

It is an arithmetic number, because the mean of its divisors is an integer number (28241559549).

Almost surely, 2^{1109843720160} is an apocalyptic number.

1109843720160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1109843720160 is an abundant number, since it is smaller than the sum of its proper divisors (2956940854896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1109843720160 is a wasteful number, since it uses less digits than its factorization.

1109843720160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47187265 (or 47187250 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 1109843720160 in words is "one trillion, one hundred nine billion, eight hundred forty-three million, seven hundred twenty thousand, one hundred sixty".