11144021003 has 16 divisors (see below), whose sum is σ = 11474887680. Its totient is φ = 10819438656.

The previous prime is 11144020981. The next prime is 11144021039. The reversal of 11144021003 is 30012044111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11144021003 - 2⁶ = 11144020939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11144041003) 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 15 ways as a sum of consecutive naturals, for example, 1153250 + ... + 1162872.

It is an arithmetic number, because the mean of its divisors is an integer number (717180480).

Almost surely, 2^11144021003 is an apocalyptic number.

11144021003 is a deficient number, since it is larger than the sum of its proper divisors (330866677).

11144021003 is a wasteful number, since it uses less digits than its factorization.

11144021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9946.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11144021003 its reverse (30012044111), we get a palindrome (41156065114).

The spelling of 11144021003 in words is "eleven billion, one hundred forty-four million, twenty-one thousand, three".