111783974400000 has 4992 divisors, whose sum is σ = 515999973888000. Its totient is φ = 23843635200000.

The previous prime is 111783974399971. The next prime is 111783974400089. The reversal of 111783974400000 is 4479387111.

111783974400000 is a `hidden beast` number, since 1 + 1 + 178 + 3 + 9 + 74 + 400 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 2726438399980 + ... + 2726438400020.

Almost surely, 2^{111783974400000} is an apocalyptic number.

111783974400000 is a gapful number since it is divisible by the number (10) 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 111783974400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257999986944000).

111783974400000 is an abundant number, since it is smaller than the sum of its proper divisors (404215999488000).

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

111783974400000 is an frugal number, since it uses more digits than its factorization.

111783974400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 111783974400000 in words is "one hundred eleven trillion, seven hundred eighty-three billion, nine hundred seventy-four million, four hundred thousand".