11143533163 has 4 divisors (see below), whose sum is σ = 12735466480. Its totient is φ = 9551599848.

The previous prime is 11143533161. The next prime is 11143533169. The reversal of 11143533163 is 36133534111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11143533163 - 2¹ = 11143533161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11143533161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795966648 + ... + 795966661.

It is an arithmetic number, because the mean of its divisors is an integer number (3183866620).

Almost surely, 2^11143533163 is an apocalyptic number.

11143533163 is a deficient number, since it is larger than the sum of its proper divisors (1591933317).

11143533163 is an equidigital number, since it uses as much as digits as its factorization.

11143533163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591933316.

The product of its digits is 9720, while the sum is 31.

The spelling of 11143533163 in words is "eleven billion, one hundred forty-three million, five hundred thirty-three thousand, one hundred sixty-three".