11243022043 has 4 divisors (see below), whose sum is σ = 12265114968. Its totient is φ = 10220929120.

The previous prime is 11243022031. The next prime is 11243022059. The reversal of 11243022043 is 34022034211.

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-11243022043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11243022013) 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, 511046446 + ... + 511046467.

It is an arithmetic number, because the mean of its divisors is an integer number (3066278742).

Almost surely, 2^11243022043 is an apocalyptic number.

11243022043 is a deficient number, since it is larger than the sum of its proper divisors (1022092925).

11243022043 is a wasteful number, since it uses less digits than its factorization.

11243022043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022092924.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 11243022043 its reverse (34022034211), we get a palindrome (45265056254).

The spelling of 11243022043 in words is "eleven billion, two hundred forty-three million, twenty-two thousand, forty-three".