11443041020 has 48 divisors (see below), whose sum is σ = 25504694208. Its totient is φ = 4297681920.

The previous prime is 11443041011. The next prime is 11443041031. The reversal of 11443041020 is 2014034411.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11443040983 and 11443041001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103169 + ... + 183111.

It is an arithmetic number, because the mean of its divisors is an integer number (531347796).

Almost surely, 2^11443041020 is an apocalyptic number.

11443041020 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 11443041020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12752347104).

11443041020 is an abundant number, since it is smaller than the sum of its proper divisors (14061653188).

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

11443041020 is a wasteful number, since it uses less digits than its factorization.

11443041020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80390 (or 80388 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11443041020 its reverse (2014034411), we get a palindrome (13457075431).

The spelling of 11443041020 in words is "eleven billion, four hundred forty-three million, forty-one thousand, twenty".