105543044320 has 144 divisors (see below), whose sum is σ = 290808947520. Its totient is φ = 36092120064.

The previous prime is 105543044297. The next prime is 105543044333. The reversal of 105543044320 is 23440345501.

It is a super-2 number, since 2×105543044320² (a number of 23 digits) contains 22 as substring.

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, 3032457 + ... + 3067063.

It is an arithmetic number, because the mean of its divisors is an integer number (2019506580).

Almost surely, 2^105543044320 is an apocalyptic number.

105543044320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105543044320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145404473760).

105543044320 is an abundant number, since it is smaller than the sum of its proper divisors (185265903200).

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

105543044320 is a wasteful number, since it uses less digits than its factorization.

105543044320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35025 (or 35010 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 105543044320 its reverse (23440345501), we get a palindrome (128983389821).

The spelling of 105543044320 in words is "one hundred five billion, five hundred forty-three million, forty-four thousand, three hundred twenty".