111143454334 has 16 divisors (see below), whose sum is σ = 182035142640. Its totient is φ = 50474186560.

The previous prime is 111143454313. The next prime is 111143454347. The reversal of 111143454334 is 433454341111.

It is a self number, because there is not a number n which added to its sum of digits gives 111143454334.

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 7 ways as a sum of consecutive naturals, for example, 2253319 + ... + 2302114.

It is an arithmetic number, because the mean of its divisors is an integer number (11377196415).

Almost surely, 2^111143454334 is an apocalyptic number.

111143454334 is a deficient number, since it is larger than the sum of its proper divisors (70891688306).

111143454334 is a wasteful number, since it uses less digits than its factorization.

111143454334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556555.

The product of its digits is 34560, while the sum is 34.

Adding to 111143454334 its reverse (433454341111), we get a palindrome (544597795445).

The spelling of 111143454334 in words is "one hundred eleven billion, one hundred forty-three million, four hundred fifty-four thousand, three hundred thirty-four".