111343432042 has 16 divisors (see below), whose sum is σ = 167412465792. Its totient is φ = 55539375840.

The previous prime is 111343432037. The next prime is 111343432049. The reversal of 111343432042 is 240234343111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111343432042.

It is not an unprimeable number, because it can be changed into a prime (111343432049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2359693 + ... + 2406415.

It is an arithmetic number, because the mean of its divisors is an integer number (10463279112).

Almost surely, 2^111343432042 is an apocalyptic number.

111343432042 is a deficient number, since it is larger than the sum of its proper divisors (56069033750).

111343432042 is a wasteful number, since it uses less digits than its factorization.

111343432042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49533.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 111343432042 its reverse (240234343111), we get a palindrome (351577775153).

The spelling of 111343432042 in words is "one hundred eleven billion, three hundred forty-three million, four hundred thirty-two thousand, forty-two".