11144034421 has 16 divisors (see below), whose sum is σ = 12420576000. Its totient is φ = 9927707328.

The previous prime is 11144034409. The next prime is 11144034437. The reversal of 11144034421 is 12443044111.

11144034421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11144034421 - 2⁵ = 11144034389 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 (11144034821) 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 15 ways as a sum of consecutive naturals, for example, 1098430 + ... + 1108528.

It is an arithmetic number, because the mean of its divisors is an integer number (776286000).

Almost surely, 2^11144034421 is an apocalyptic number.

It is an amenable number.

11144034421 is a deficient number, since it is larger than the sum of its proper divisors (1276541579).

11144034421 is a wasteful number, since it uses less digits than its factorization.

11144034421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13068.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11144034421 its reverse (12443044111), we get a palindrome (23587078532).

The spelling of 11144034421 in words is "eleven billion, one hundred forty-four million, thirty-four thousand, four hundred twenty-one".