11383982191 has 4 divisors (see below), whose sum is σ = 11443584384. Its totient is φ = 11324380000.

The previous prime is 11383982143. The next prime is 11383982213. The reversal of 11383982191 is 19128938311.

11383982191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11383982191 - 2⁷ = 11383982063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11383982101) 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 3 ways as a sum of consecutive naturals, for example, 29800810 + ... + 29801191.

It is an arithmetic number, because the mean of its divisors is an integer number (2860896096).

Almost surely, 2^11383982191 is an apocalyptic number.

11383982191 is a deficient number, since it is larger than the sum of its proper divisors (59602193).

11383982191 is an equidigital number, since it uses as much as digits as its factorization.

11383982191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59602192.

The product of its digits is 93312, while the sum is 46.

The spelling of 11383982191 in words is "eleven billion, three hundred eighty-three million, nine hundred eighty-two thousand, one hundred ninety-one".