1144123043211 has 24 divisors (see below), whose sum is σ = 1749925915920. Its totient is φ = 717843926016.

The previous prime is 1144123043153. The next prime is 1144123043213. The reversal of 1144123043211 is 1123403214411.

It is a happy number.

1144123043211 is a `hidden beast` number, since 1 + 1 + 4 + 412 + 30 + 4 + 3 + 211 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1144123043211 is a prime.

It is a super-4 number, since 4×1144123043211⁴ (a number of 49 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1144123043213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2932896 + ... + 3300018.

It is an arithmetic number, because the mean of its divisors is an integer number (72913579830).

Almost surely, 2^{1144123043211} is an apocalyptic number.

1144123043211 is a deficient number, since it is larger than the sum of its proper divisors (605802872709).

1144123043211 is a wasteful number, since it uses less digits than its factorization.

1144123043211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387515 (or 387512 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1144123043211 its reverse (1123403214411), we get a palindrome (2267526257622).

The spelling of 1144123043211 in words is "one trillion, one hundred forty-four billion, one hundred twenty-three million, forty-three thousand, two hundred eleven".