11042343211 has 4 divisors (see below), whose sum is σ = 11043618400. Its totient is φ = 11041068024.

The previous prime is 11042343187. The next prime is 11042343227. The reversal of 11042343211 is 11234324011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11234324011 = 257 ⋅43713323.

It is a cyclic number.

It is not a de Polignac number, because 11042343211 - 2⁹ = 11042342699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11042343271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624516 + ... + 641953.

It is an arithmetic number, because the mean of its divisors is an integer number (2760904600).

Almost surely, 2^11042343211 is an apocalyptic number.

11042343211 is a deficient number, since it is larger than the sum of its proper divisors (1275189).

11042343211 is an equidigital number, since it uses as much as digits as its factorization.

11042343211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275188.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11042343211 its reverse (11234324011), we get a palindrome (22276667222).

The spelling of 11042343211 in words is "eleven billion, forty-two million, three hundred forty-three thousand, two hundred eleven".