111434321424 has 40 divisors (see below), whose sum is σ = 287994424320. Its totient is φ = 37128976768.

The previous prime is 111434321417. The next prime is 111434321437. The reversal of 111434321424 is 424123434111.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 111434321391 and 111434321400.

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, 379344 + ... + 605615.

It is an arithmetic number, because the mean of its divisors is an integer number (7199860608).

Almost surely, 2^111434321424 is an apocalyptic number.

It is an amenable number.

111434321424 is an abundant number, since it is smaller than the sum of its proper divisors (176560102896).

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

111434321424 is a wasteful number, since it uses less digits than its factorization.

111434321424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987327 (or 987321 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

Adding to 111434321424 its reverse (424123434111), we get a palindrome (535557755535).

The spelling of 111434321424 in words is "one hundred eleven billion, four hundred thirty-four million, three hundred twenty-one thousand, four hundred twenty-four".