11443041018 has 32 divisors (see below), whose sum is σ = 25534523520. Its totient is φ = 3798515520.

The previous prime is 11443041011. The next prime is 11443041031. The reversal of 11443041018 is 81014034411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11443040982 and 11443041000.

It is not an unprimeable number, because it can be changed into a prime (11443041011) by changing a digit.

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, 426630 + ... + 452657.

It is an arithmetic number, because the mean of its divisors is an integer number (797953860).

Almost surely, 2^11443041018 is an apocalyptic number.

11443041018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11443041018 is an abundant number, since it is smaller than the sum of its proper divisors (14091482502).

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

11443041018 is a wasteful number, since it uses less digits than its factorization.

11443041018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879539 (or 879533 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 11443041018 its reverse (81014034411), we get a palindrome (92457075429).

The spelling of 11443041018 in words is "eleven billion, four hundred forty-three million, forty-one thousand, eighteen".