11131343143 has 4 divisors (see below), whose sum is σ = 11615314608. Its totient is φ = 10647371680.

The previous prime is 11131343101. The next prime is 11131343159. The reversal of 11131343143 is 34134313111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34134313111 = 37 ⋅922549003.

It is a cyclic number.

It is not a de Polignac number, because 11131343143 - 2⁹ = 11131342631 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 (11131346143) 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 3 ways as a sum of consecutive naturals, for example, 241985698 + ... + 241985743.

It is an arithmetic number, because the mean of its divisors is an integer number (2903828652).

Almost surely, 2^11131343143 is an apocalyptic number.

11131343143 is a deficient number, since it is larger than the sum of its proper divisors (483971465).

11131343143 is an equidigital number, since it uses as much as digits as its factorization.

11131343143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483971464.

The product of its digits is 1296, while the sum is 25.

Adding to 11131343143 its reverse (34134313111), we get a palindrome (45265656254).

The spelling of 11131343143 in words is "eleven billion, one hundred thirty-one million, three hundred forty-three thousand, one hundred forty-three".