111784874209152 has 256 divisors, whose sum is σ = 304561431820800. Its totient is φ = 36313955278848.

The previous prime is 111784874209147. The next prime is 111784874209153. The reversal of 111784874209152 is 251902478487111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111784874209153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2028110298 + ... + 2028165414.

It is an arithmetic number, because the mean of its divisors is an integer number (1189693093050).

Almost surely, 2^{111784874209152} is an apocalyptic number.

111784874209152 is a gapful number since it is divisible by the number (12) 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 111784874209152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152280715910400).

111784874209152 is an abundant number, since it is smaller than the sum of its proper divisors (192776557611648).

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

111784874209152 is a wasteful number, since it uses less digits than its factorization.

111784874209152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55853 (or 55841 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 60.

The spelling of 111784874209152 in words is "one hundred eleven trillion, seven hundred eighty-four billion, eight hundred seventy-four million, two hundred nine thousand, one hundred fifty-two".