11185641159 has 48 divisors (see below), whose sum is σ = 18950739840. Its totient is φ = 5803237440.

The previous prime is 11185641143. The next prime is 11185641191. The reversal of 11185641159 is 95114658111.

It is not a de Polignac number, because 11185641159 - 2⁴ = 11185641143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11185641159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11185641139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1384977 + ... + 1393029.

It is an arithmetic number, because the mean of its divisors is an integer number (394807080).

Almost surely, 2^11185641159 is an apocalyptic number.

11185641159 is a deficient number, since it is larger than the sum of its proper divisors (7765098681).

11185641159 is a wasteful number, since it uses less digits than its factorization.

11185641159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8940 (or 8933 counting only the distinct ones).

The product of its digits is 43200, while the sum is 42.

The spelling of 11185641159 in words is "eleven billion, one hundred eighty-five million, six hundred forty-one thousand, one hundred fifty-nine".