1243141111444 has 48 divisors (see below), whose sum is σ = 2338041646080. Its totient is φ = 576261204480.

The previous prime is 1243141111423. The next prime is 1243141111483. The reversal of 1243141111444 is 4441111413421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2046874 + ... + 2583790.

It is an arithmetic number, because the mean of its divisors is an integer number (48709200960).

Almost surely, 2^{1243141111444} is an apocalyptic number.

It is an amenable number.

1243141111444 is a deficient number, since it is larger than the sum of its proper divisors (1094900534636).

1243141111444 is a wasteful number, since it uses less digits than its factorization.

1243141111444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537448 (or 537446 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

Adding to 1243141111444 its reverse (4441111413421), we get a palindrome (5684252524865).

The spelling of 1243141111444 in words is "one trillion, two hundred forty-three billion, one hundred forty-one million, one hundred eleven thousand, four hundred forty-four".