111893911828 has 12 divisors (see below), whose sum is σ = 200368168000. Its totient is φ = 54645863832.

The previous prime is 111893911783. The next prime is 111893911853. The reversal of 111893911828 is 828119398111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325272828 + ... + 325273171.

Almost surely, 2^111893911828 is an apocalyptic number.

It is an amenable number.

111893911828 is a deficient number, since it is larger than the sum of its proper divisors (88474256172).

111893911828 is a wasteful number, since it uses less digits than its factorization.

111893911828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650546046 (or 650546044 counting only the distinct ones).

The product of its digits is 248832, while the sum is 52.

The spelling of 111893911828 in words is "one hundred eleven billion, eight hundred ninety-three million, nine hundred eleven thousand, eight hundred twenty-eight".