11143994143 has 8 divisors (see below), whose sum is σ = 11360808000. Its totient is φ = 10929074208.

The previous prime is 11143994137. The next prime is 11143994153. The reversal of 11143994143 is 34149934111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11143994143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11143994096 and 11143994105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143994153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461596 + ... + 485137.

It is an arithmetic number, because the mean of its divisors is an integer number (1420101000).

Almost surely, 2^11143994143 is an apocalyptic number.

11143994143 is a deficient number, since it is larger than the sum of its proper divisors (216813857).

11143994143 is an equidigital number, since it uses as much as digits as its factorization.

11143994143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946961.

The product of its digits is 46656, while the sum is 40.

The spelling of 11143994143 in words is "eleven billion, one hundred forty-three million, nine hundred ninety-four thousand, one hundred forty-three".