11144003111 has 4 divisors (see below), whose sum is σ = 11145233232. Its totient is φ = 11142772992.

The previous prime is 11144003093. The next prime is 11144003137. The reversal of 11144003111 is 11130044111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11144003111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11144003111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144003141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601370 + ... + 619623.

It is an arithmetic number, because the mean of its divisors is an integer number (2786308308).

Almost surely, 2^11144003111 is an apocalyptic number.

11144003111 is a deficient number, since it is larger than the sum of its proper divisors (1230121).

11144003111 is an equidigital number, since it uses as much as digits as its factorization.

11144003111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230120.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11144003111 its reverse (11130044111), we get a palindrome (22274047222).

The spelling of 11144003111 in words is "eleven billion, one hundred forty-four million, three thousand, one hundred eleven".