11185883988 has 48 divisors (see below), whose sum is σ = 26276866560. Its totient is φ = 3703468000.

The previous prime is 11185883987. The next prime is 11185884013. The reversal of 11185883988 is 88938858111.

11185883988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11185883983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2212063 + ... + 2217113.

It is an arithmetic number, because the mean of its divisors is an integer number (547434720).

Almost surely, 2^11185883988 is an apocalyptic number.

It is an amenable number.

11185883988 is an abundant number, since it is smaller than the sum of its proper divisors (15090982572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11185883988 is a wasteful number, since it uses less digits than its factorization.

11185883988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268 (or 6266 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 60.

The spelling of 11185883988 in words is "eleven billion, one hundred eighty-five million, eight hundred eighty-three thousand, nine hundred eighty-eight".