11289840163 has 8 divisors (see below), whose sum is σ = 12904230240. Its totient is φ = 9675839040.

The previous prime is 11289840161. The next prime is 11289840179. The reversal of 11289840163 is 36104898211.

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

It is not a de Polignac number, because 11289840163 - 2¹ = 11289840161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11289840161) 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, 32128 + ... + 153661.

It is an arithmetic number, because the mean of its divisors is an integer number (1613028780).

Almost surely, 2^11289840163 is an apocalyptic number.

11289840163 is a deficient number, since it is larger than the sum of its proper divisors (1614390077).

11289840163 is an equidigital number, since it uses as much as digits as its factorization.

11289840163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194477.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 11289840163 in words is "eleven billion, two hundred eighty-nine million, eight hundred forty thousand, one hundred sixty-three".