109843443712 has 78 divisors (see below), whose sum is σ = 223351074024. Its totient is φ = 54013870080.

The previous prime is 109843443707. The next prime is 109843443719. The reversal of 109843443712 is 217344348901.

It is a super-2 number, since 2×109843443712² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109843443719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15237613 + ... + 15244819.

It is an arithmetic number, because the mean of its divisors is an integer number (2863475308).

Almost surely, 2^109843443712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109843443712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111675537012).

109843443712 is an abundant number, since it is smaller than the sum of its proper divisors (113507630312).

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

109843443712 is an frugal number, since it uses more digits than its factorization.

109843443712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353 (or 7270 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 109843443712 in words is "one hundred nine billion, eight hundred forty-three million, four hundred forty-three thousand, seven hundred twelve".