11683438138 has 8 divisors (see below), whose sum is σ = 17746994880. Its totient is φ = 5767773180.

The previous prime is 11683438127. The next prime is 11683438141. The reversal of 11683438138 is 83183438611.

11683438138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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, 36972748 + ... + 36973063.

It is an arithmetic number, because the mean of its divisors is an integer number (2218374360).

Almost surely, 2^11683438138 is an apocalyptic number.

11683438138 is a deficient number, since it is larger than the sum of its proper divisors (6063556742).

11683438138 is an equidigital number, since it uses as much as digits as its factorization.

11683438138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73945892.

The product of its digits is 331776, while the sum is 46.

The spelling of 11683438138 in words is "eleven billion, six hundred eighty-three million, four hundred thirty-eight thousand, one hundred thirty-eight".