11144432211 has 8 divisors (see below), whose sum is σ = 16210083264. Its totient is φ = 6754201320.

The previous prime is 11144432191. The next prime is 11144432219. The reversal of 11144432211 is 11223444111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11144432211 - 2⁶ = 11144432147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11144432219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168855001 + ... + 168855066.

It is an arithmetic number, because the mean of its divisors is an integer number (2026260408).

Almost surely, 2^11144432211 is an apocalyptic number.

11144432211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11144432211 is a deficient number, since it is larger than the sum of its proper divisors (5065651053).

11144432211 is a wasteful number, since it uses less digits than its factorization.

11144432211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337710081.

The product of its digits is 768, while the sum is 24.

Adding to 11144432211 its reverse (11223444111), we get a palindrome (22367876322).

The spelling of 11144432211 in words is "eleven billion, one hundred forty-four million, four hundred thirty-two thousand, two hundred eleven".