1142241111143 has 16 divisors (see below), whose sum is σ = 1258848479520. Its totient is φ = 1036360314880.

The previous prime is 1142241111107. The next prime is 1142241111169. The reversal of 1142241111143 is 3411111422411.

It is not a de Polignac number, because 1142241111143 - 2⁸ = 1142241110887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142241111173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165530 + ... + 1520487.

It is an arithmetic number, because the mean of its divisors is an integer number (78678029970).

Almost surely, 2^{1142241111143} is an apocalyptic number.

1142241111143 is a deficient number, since it is larger than the sum of its proper divisors (116607368377).

1142241111143 is an equidigital number, since it uses as much as digits as its factorization.

1142241111143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686559 (or 1686537 counting only the distinct ones).

The product of its digits is 768, while the sum is 26.

Adding to 1142241111143 its reverse (3411111422411), we get a palindrome (4553352533554).

The spelling of 1142241111143 in words is "one trillion, one hundred forty-two billion, two hundred forty-one million, one hundred eleven thousand, one hundred forty-three".