111487218873888 has 384 divisors, whose sum is σ = 364783574421504. Its totient is φ = 29291002675200.

The previous prime is 111487218873761. The next prime is 111487218873893. The reversal of 111487218873888 is 888378812784111.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114101145 + ... + 115074087.

It is an arithmetic number, because the mean of its divisors is an integer number (949957225056).

Almost surely, 2^{111487218873888} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111487218873888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182391787210752).

111487218873888 is an abundant number, since it is smaller than the sum of its proper divisors (253296355547616).

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

111487218873888 is a wasteful number, since it uses less digits than its factorization.

111487218873888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973488 (or 973480 counting only the distinct ones).

The product of its digits is 308281344, while the sum is 75.

The spelling of 111487218873888 in words is "one hundred eleven trillion, four hundred eighty-seven billion, two hundred eighteen million, eight hundred seventy-three thousand, eight hundred eighty-eight".