1144003311 has 16 divisors (see below), whose sum is σ = 1848894720. Its totient is φ = 693335160.

The previous prime is 1144003303. The next prime is 1144003313. The reversal of 1144003311 is 1133004411.

It is not a de Polignac number, because 1144003311 - 2³ = 1144003303 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144003313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925635 + ... + 1926228.

It is an arithmetic number, because the mean of its divisors is an integer number (115555920).

Almost surely, 2^1144003311 is an apocalyptic number.

1144003311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1144003311 is a deficient number, since it is larger than the sum of its proper divisors (704891409).

1144003311 is a wasteful number, since it uses less digits than its factorization.

1144003311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851883 (or 3851877 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1144003311 is about 33823.1179964237. The cubic root of 1144003311 is about 1045.8653153411.

Adding to 1144003311 its reverse (1133004411), we get a palindrome (2277007722).

It can be divided in two parts, 114400 and 3311, that added together give a palindrome (117711).

The spelling of 1144003311 in words is "one billion, one hundred forty-four million, three thousand, three hundred eleven".