1142311424443 has 4 divisors (see below), whose sum is σ = 1305498770800. Its totient is φ = 979124078088.

The previous prime is 1142311424381. The next prime is 1142311424459. The reversal of 1142311424443 is 3444241132411.

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 1142311424443 - 2²⁹ = 1141774553531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142311424399 and 1142311424408.

It is not an unprimeable number, because it can be changed into a prime (1142311424473) 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, 81593673168 + ... + 81593673181.

It is an arithmetic number, because the mean of its divisors is an integer number (326374692700).

Almost surely, 2^{1142311424443} is an apocalyptic number.

1142311424443 is a deficient number, since it is larger than the sum of its proper divisors (163187346357).

1142311424443 is an equidigital number, since it uses as much as digits as its factorization.

1142311424443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163187346356.

The product of its digits is 36864, while the sum is 34.

Adding to 1142311424443 its reverse (3444241132411), we get a palindrome (4586552556854).

The spelling of 1142311424443 in words is "one trillion, one hundred forty-two billion, three hundred eleven million, four hundred twenty-four thousand, four hundred forty-three".