111343400424 has 48 divisors (see below), whose sum is σ = 301707806400. Its totient is φ = 37095665184.

The previous prime is 111343400419. The next prime is 111343400471. The reversal of 111343400424 is 424004343111.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248224 + ... + 533199.

It is an arithmetic number, because the mean of its divisors is an integer number (6285579300).

Almost surely, 2^111343400424 is an apocalyptic number.

It is an amenable number.

111343400424 is an abundant number, since it is smaller than the sum of its proper divisors (190364405976).

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

111343400424 is a wasteful number, since it uses less digits than its factorization.

111343400424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783414 (or 783407 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 111343400424 its reverse (424004343111), we get a palindrome (535347743535).

The spelling of 111343400424 in words is "one hundred eleven billion, three hundred forty-three million, four hundred thousand, four hundred twenty-four".