11143111141 has 2 divisors, whose sum is σ = 11143111142. Its totient is φ = 11143111140.

The previous prime is 11143111123. The next prime is 11143111151. The reversal of 11143111141 is 14111134111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9277735041 + 1865376100 = 96321^2 + 43190^2 .

It is a cyclic number.

It is not a de Polignac number, because 11143111141 - 2¹¹ = 11143109093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11143111151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571555570 + 5571555571.

It is an arithmetic number, because the mean of its divisors is an integer number (5571555571).

Almost surely, 2^11143111141 is an apocalyptic number.

It is an amenable number.

11143111141 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143111141 is an equidigital number, since it uses as much as digits as its factorization.

11143111141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48, while the sum is 19.

Adding to 11143111141 its reverse (14111134111), we get a palindrome (25254245252).

The spelling of 11143111141 in words is "eleven billion, one hundred forty-three million, one hundred eleven thousand, one hundred forty-one".