111803874816 has 480 divisors, whose sum is σ = 335040520320. Its totient is φ = 33009500160.

The previous prime is 111803874803. The next prime is 111803874821. The reversal of 111803874816 is 618478308111.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2109507046 + ... + 2109507098.

It is an arithmetic number, because the mean of its divisors is an integer number (698001084).

Almost surely, 2^111803874816 is an apocalyptic number.

111803874816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111803874816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167520260160).

111803874816 is an abundant number, since it is smaller than the sum of its proper divisors (223236645504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111803874816 is an equidigital number, since it uses as much as digits as its factorization.

111803874816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 48.

The spelling of 111803874816 in words is "one hundred eleven billion, eight hundred three million, eight hundred seventy-four thousand, eight hundred sixteen".