111384421248 has 128 divisors (see below), whose sum is σ = 307180548000. Its totient is φ = 35717455872.

The previous prime is 111384421237. The next prime is 111384421261. The reversal of 111384421248 is 842124483111.

It is a tau number, because it is divible by the number of its divisors (128).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3066618 + ... + 3102726.

Almost surely, 2^111384421248 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 111384421248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153590274000).

111384421248 is an abundant number, since it is smaller than the sum of its proper divisors (195796126752).

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

111384421248 is a wasteful number, since it uses less digits than its factorization.

111384421248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36432 (or 36420 counting only the distinct ones).

The product of its digits is 49152, while the sum is 39.

The spelling of 111384421248 in words is "one hundred eleven billion, three hundred eighty-four million, four hundred twenty-one thousand, two hundred forty-eight".