11043043211 has 4 divisors (see below), whose sum is σ = 11049790752. Its totient is φ = 11036295672.

The previous prime is 11043043201. The next prime is 11043043283. The reversal of 11043043211 is 11234034011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11043043211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11043043201) 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 3 ways as a sum of consecutive naturals, for example, 3371315 + ... + 3374588.

It is an arithmetic number, because the mean of its divisors is an integer number (2762447688).

Almost surely, 2^11043043211 is an apocalyptic number.

11043043211 is a deficient number, since it is larger than the sum of its proper divisors (6747541).

11043043211 is an equidigital number, since it uses as much as digits as its factorization.

11043043211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747540.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11043043211 its reverse (11234034011), we get a palindrome (22277077222).

The spelling of 11043043211 in words is "eleven billion, forty-three million, forty-three thousand, two hundred eleven".