1144004111 has 4 divisors (see below), whose sum is σ = 1168344672. Its totient is φ = 1119663552.

The previous prime is 1144004083. The next prime is 1144004123. The reversal of 1144004111 is 1114004411.

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 1144004111 - 2⁶ = 1144004047 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 1144004111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144004161) 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, 12170210 + ... + 12170303.

It is an arithmetic number, because the mean of its divisors is an integer number (292086168).

Almost surely, 2^1144004111 is an apocalyptic number.

1144004111 is a deficient number, since it is larger than the sum of its proper divisors (24340561).

1144004111 is an equidigital number, since it uses as much as digits as its factorization.

1144004111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24340560.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1144004111 is about 33823.1298226524. The cubic root of 1144004111 is about 1045.8655591318.

Adding to 1144004111 its reverse (1114004411), we get a palindrome (2258008522).

The spelling of 1144004111 in words is "one billion, one hundred forty-four million, four thousand, one hundred eleven".