11144044231 has 4 divisors (see below), whose sum is σ = 11160904264. Its totient is φ = 11127184200.

The previous prime is 11144044213. The next prime is 11144044243. The reversal of 11144044231 is 13244044111.

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

It is a cyclic number.

It is not a de Polignac number, because 11144044231 - 2¹¹ = 11144042183 is a prime.

It is a super-2 number, since 2×11144044231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11144044196 and 11144044205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144044211) 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, 8429025 + ... + 8430346.

It is an arithmetic number, because the mean of its divisors is an integer number (2790226066).

Almost surely, 2^11144044231 is an apocalyptic number.

11144044231 is a deficient number, since it is larger than the sum of its proper divisors (16860033).

11144044231 is an equidigital number, since it uses as much as digits as its factorization.

11144044231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16860032.

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

Adding to 11144044231 its reverse (13244044111), we get a palindrome (24388088342).

The spelling of 11144044231 in words is "eleven billion, one hundred forty-four million, forty-four thousand, two hundred thirty-one".