11040442213 has 4 divisors (see below), whose sum is σ = 11047435840. Its totient is φ = 11033448588.

The previous prime is 11040442211. The next prime is 11040442219. The reversal of 11040442213 is 31224404011.

It is a happy number.

11040442213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11040442213 - 2¹ = 11040442211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040442211) 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 in 3 ways as a sum of consecutive naturals, for example, 3494445 + ... + 3497602.

It is an arithmetic number, because the mean of its divisors is an integer number (2761858960).

Almost surely, 2^11040442213 is an apocalyptic number.

It is an amenable number.

11040442213 is a deficient number, since it is larger than the sum of its proper divisors (6993627).

11040442213 is an equidigital number, since it uses as much as digits as its factorization.

11040442213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6993626.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11040442213 its reverse (31224404011), we get a palindrome (42264846224).

The spelling of 11040442213 in words is "eleven billion, forty million, four hundred forty-two thousand, two hundred thirteen".