111243433021424 has 40 divisors (see below), whose sum is σ = 235197179774208. Its totient is φ = 50550354994880.

The previous prime is 111243433021381. The next prime is 111243433021433. The reversal of 111243433021424 is 424120334342111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92160122 + ... + 93359385.

Almost surely, 2^{111243433021424} is an apocalyptic number.

It is an amenable number.

111243433021424 is an abundant number, since it is smaller than the sum of its proper divisors (123953746752784).

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

111243433021424 is a wasteful number, since it uses less digits than its factorization.

111243433021424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185522933 (or 185522927 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 111243433021424 its reverse (424120334342111), we get a palindrome (535363767363535).

The spelling of 111243433021424 in words is "one hundred eleven trillion, two hundred forty-three billion, four hundred thirty-three million, twenty-one thousand, four hundred twenty-four".