1143320111344 has 10 divisors (see below), whose sum is σ = 2215182715760. Its totient is φ = 571660055664.

The previous prime is 1143320111341. The next prime is 1143320111377. The reversal of 1143320111344 is 4431110233411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143320111341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35728753464 + ... + 35728753495.

It is an arithmetic number, because the mean of its divisors is an integer number (221518271576).

Almost surely, 2^{1143320111344} is an apocalyptic number.

It is an amenable number.

1143320111344 is a deficient number, since it is larger than the sum of its proper divisors (1071862604416).

1143320111344 is an equidigital number, since it uses as much as digits as its factorization.

1143320111344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71457506967 (or 71457506961 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 1143320111344 its reverse (4431110233411), we get a palindrome (5574430344755).

The spelling of 1143320111344 in words is "one trillion, one hundred forty-three billion, three hundred twenty million, one hundred eleven thousand, three hundred forty-four".