11040020443 has 2 divisors, whose sum is σ = 11040020444. Its totient is φ = 11040020442.

The previous prime is 11040020441. The next prime is 11040020489. The reversal of 11040020443 is 34402004011.

11040020443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11040020443 - 2¹ = 11040020441 is a prime.

Together with 11040020441, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11040020443.

It is not a weakly prime, because it can be changed into another prime (11040020441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5520010221 + 5520010222.

It is an arithmetic number, because the mean of its divisors is an integer number (5520010222).

Almost surely, 2^11040020443 is an apocalyptic number.

11040020443 is a deficient number, since it is larger than the sum of its proper divisors (1).

11040020443 is an equidigital number, since it uses as much as digits as its factorization.

11040020443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 11040020443 its reverse (34402004011), we get a palindrome (45442024454).

The spelling of 11040020443 in words is "eleven billion, forty million, twenty thousand, four hundred forty-three".