111843578648 has 72 divisors (see below), whose sum is σ = 215750527020. Its totient is φ = 54354516480.

The previous prime is 111843578611. The next prime is 111843578669. The reversal of 111843578648 is 846875348111.

It is a junction number, because it is equal to n+sod(n) for n = 111843578593 and 111843578602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 337895843 + ... + 337896173.

Almost surely, 2^111843578648 is an apocalyptic number.

It is an amenable number.

111843578648 is a deficient number, since it is larger than the sum of its proper divisors (103906948372).

111843578648 is an frugal number, since it uses more digits than its factorization.

111843578648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 497 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 56.

The spelling of 111843578648 in words is "one hundred eleven billion, eight hundred forty-three million, five hundred seventy-eight thousand, six hundred forty-eight".