111663543324 has 96 divisors (see below), whose sum is σ = 281114426880. Its totient is φ = 34389059328.

The previous prime is 111663543301. The next prime is 111663543353. The reversal of 111663543324 is 423345366111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1990362 + ... + 2045694.

It is an arithmetic number, because the mean of its divisors is an integer number (2928275280).

Almost surely, 2^111663543324 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 111663543324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140557213440).

111663543324 is an abundant number, since it is smaller than the sum of its proper divisors (169450883556).

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

111663543324 is a wasteful number, since it uses less digits than its factorization.

111663543324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55579 (or 55577 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The spelling of 111663543324 in words is "one hundred eleven billion, six hundred sixty-three million, five hundred forty-three thousand, three hundred twenty-four".