11131340143 has 24 divisors (see below), whose sum is σ = 14145995520. Its totient is φ = 8661406320.

The previous prime is 11131340137. The next prime is 11131340149. The reversal of 11131340143 is 34104313111.

It is an interprime number because it is at equal distance from previous prime (11131340137) and next prime (11131340149).

It is not a de Polignac number, because 11131340143 - 2⁵ = 11131340111 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 (11131340149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373180 + ... + 401902.

It is an arithmetic number, because the mean of its divisors is an integer number (589416480).

Almost surely, 2^11131340143 is an apocalyptic number.

11131340143 is a deficient number, since it is larger than the sum of its proper divisors (3014655377).

11131340143 is a wasteful number, since it uses less digits than its factorization.

11131340143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29467 (or 29460 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11131340143 its reverse (34104313111), we get a palindrome (45235653254).

The spelling of 11131340143 in words is "eleven billion, one hundred thirty-one million, three hundred forty thousand, one hundred forty-three".