11163973721143 has 8 divisors (see below), whose sum is σ = 11769295564800. Its totient is φ = 10573976481240.

The previous prime is 11163973721137. The next prime is 11163973721177. The reversal of 11163973721143 is 34112737936111.

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

It is a cyclic number.

It is not a de Polignac number, because 11163973721143 - 2⁹ = 11163973720631 is a prime.

It is a super-3 number, since 3×11163973721143³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11163973721123) 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 7 ways as a sum of consecutive naturals, for example, 3831149443 + ... + 3831152356.

It is an arithmetic number, because the mean of its divisors is an integer number (1471161945600).

Almost surely, 2^{11163973721143} is an apocalyptic number.

11163973721143 is a deficient number, since it is larger than the sum of its proper divisors (605321843657).

11163973721143 is an equidigital number, since it uses as much as digits as its factorization.

11163973721143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662301877.

The product of its digits is 571536, while the sum is 49.

The spelling of 11163973721143 in words is "eleven trillion, one hundred sixty-three billion, nine hundred seventy-three million, seven hundred twenty-one thousand, one hundred forty-three".