11184443161 has 4 divisors (see below), whose sum is σ = 11295180324. Its totient is φ = 11073706000.

The previous prime is 11184443143. The next prime is 11184443183. The reversal of 11184443161 is 16134448111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9340256025 + 1844187136 = 96645^2 + 42944^2 .

It is a cyclic number.

It is not a de Polignac number, because 11184443161 - 2²⁵ = 11150888729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11184443111) 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, 55368430 + ... + 55368631.

It is an arithmetic number, because the mean of its divisors is an integer number (2823795081).

Almost surely, 2^11184443161 is an apocalyptic number.

It is an amenable number.

11184443161 is a deficient number, since it is larger than the sum of its proper divisors (110737163).

11184443161 is a wasteful number, since it uses less digits than its factorization.

11184443161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110737162.

The product of its digits is 9216, while the sum is 34.

The spelling of 11184443161 in words is "eleven billion, one hundred eighty-four million, four hundred forty-three thousand, one hundred sixty-one".