1143411111343 has 4 divisors (see below), whose sum is σ = 1143466286728. Its totient is φ = 1143355935960.

The previous prime is 1143411111341. The next prime is 1143411111347. The reversal of 1143411111343 is 3431111143411.

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 1143411111343 - 2¹ = 1143411111341 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 (1143411111341) 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, 27556596 + ... + 27598057.

It is an arithmetic number, because the mean of its divisors is an integer number (285866571682).

Almost surely, 2^{1143411111343} is an apocalyptic number.

1143411111343 is a deficient number, since it is larger than the sum of its proper divisors (55175385).

1143411111343 is an equidigital number, since it uses as much as digits as its factorization.

1143411111343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55175384.

The product of its digits is 1728, while the sum is 28.

Adding to 1143411111343 its reverse (3431111143411), we get a palindrome (4574522254754).

The spelling of 1143411111343 in words is "one trillion, one hundred forty-three billion, four hundred eleven million, one hundred eleven thousand, three hundred forty-three".