1144443313111 has 4 divisors (see below), whose sum is σ = 1307935214992. Its totient is φ = 980951411232.

The previous prime is 1144443313049. The next prime is 1144443313163. The reversal of 1144443313111 is 1113133444411.

It is a happy number.

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 1144443313111 - 2⁹ = 1144443312599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144443313711) 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, 81745950930 + ... + 81745950943.

It is an arithmetic number, because the mean of its divisors is an integer number (326983803748).

Almost surely, 2^{1144443313111} is an apocalyptic number.

1144443313111 is a deficient number, since it is larger than the sum of its proper divisors (163491901881).

1144443313111 is an equidigital number, since it uses as much as digits as its factorization.

1144443313111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163491901880.

The product of its digits is 6912, while the sum is 31.

Adding to 1144443313111 its reverse (1113133444411), we get a palindrome (2257576757522).

The spelling of 1144443313111 in words is "one trillion, one hundred forty-four billion, four hundred forty-three million, three hundred thirteen thousand, one hundred eleven".