111412113424 has 20 divisors (see below), whose sum is σ = 216181735036. Its totient is φ = 55623278592.

The previous prime is 111412113419. The next prime is 111412113503. The reversal of 111412113424 is 424311214111.

It can be written as a sum of positive squares in 2 ways, for example, as 20529158400 + 90882955024 = 143280^2 + 301468^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5162529 + ... + 5184064.

Almost surely, 2^111412113424 is an apocalyptic number.

It is an amenable number.

111412113424 is a deficient number, since it is larger than the sum of its proper divisors (104769621612).

111412113424 is a wasteful number, since it uses less digits than its factorization.

111412113424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10347274 (or 10347268 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

Adding to 111412113424 its reverse (424311214111), we get a palindrome (535723327535).

The spelling of 111412113424 in words is "one hundred eleven billion, four hundred twelve million, one hundred thirteen thousand, four hundred twenty-four".