11444212003 has 6 divisors (see below), whose sum is σ = 13312654836. Its totient is φ = 9809324532.

The previous prime is 11444211983. The next prime is 11444212009. The reversal of 11444212003 is 30021244411.

It is a happy number.

It is not a de Polignac number, because 11444212003 - 2⁹ = 11444211491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11444212009) 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 5 ways as a sum of consecutive naturals, for example, 116777625 + ... + 116777722.

It is an arithmetic number, because the mean of its divisors is an integer number (2218775806).

Almost surely, 2^11444212003 is an apocalyptic number.

11444212003 is a deficient number, since it is larger than the sum of its proper divisors (1868442833).

11444212003 is an equidigital number, since it uses as much as digits as its factorization.

11444212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233555361 (or 233555354 counting only the distinct ones).

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

Adding to 11444212003 its reverse (30021244411), we get a palindrome (41465456414).

The spelling of 11444212003 in words is "eleven billion, four hundred forty-four million, two hundred twelve thousand, three".