11121194678 has 16 divisors (see below), whose sum is σ = 18226210896. Its totient is φ = 5047340640.

The previous prime is 11121194647. The next prime is 11121194719. The reversal of 11121194678 is 87649112111.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372701 + ... + 401432.

It is an arithmetic number, because the mean of its divisors is an integer number (1139138181).

Almost surely, 2^11121194678 is an apocalyptic number.

11121194678 is a deficient number, since it is larger than the sum of its proper divisors (7105016218).

11121194678 is a wasteful number, since it uses less digits than its factorization.

11121194678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774799.

The product of its digits is 24192, while the sum is 41.

The spelling of 11121194678 in words is "eleven billion, one hundred twenty-one million, one hundred ninety-four thousand, six hundred seventy-eight".