111345534 has 12 divisors (see below), whose sum is σ = 241248696. Its totient is φ = 37115172.

The previous prime is 111345473. The next prime is 111345569. The reversal of 111345534 is 435543111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111345498 and 111345507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3092914 + ... + 3092949.

It is an arithmetic number, because the mean of its divisors is an integer number (20104058).

Almost surely, 2^111345534 is an apocalyptic number.

111345534 is an abundant number, since it is smaller than the sum of its proper divisors (129903162).

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

111345534 is a wasteful number, since it uses less digits than its factorization.

111345534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185871 (or 6185868 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 111345534 is about 10552.0393289639. The cubic root of 111345534 is about 481.0877155857.

Adding to 111345534 its reverse (435543111), we get a palindrome (546888645).

The spelling of 111345534 in words is "one hundred eleven million, three hundred forty-five thousand, five hundred thirty-four".