111143200134 has 32 divisors (see below), whose sum is σ = 235377125856. Its totient is φ = 34866224640.

The previous prime is 111143200087. The next prime is 111143200141. The reversal of 111143200134 is 431002341111.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111143200134.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2392044 + ... + 2438064.

It is an arithmetic number, because the mean of its divisors is an integer number (7355535183).

Almost surely, 2^111143200134 is an apocalyptic number.

111143200134 is an abundant number, since it is smaller than the sum of its proper divisors (124233925722).

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

111143200134 is a wasteful number, since it uses less digits than its factorization.

111143200134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69720.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111143200134 its reverse (431002341111), we get a palindrome (542145541245).

The spelling of 111143200134 in words is "one hundred eleven billion, one hundred forty-three million, two hundred thousand, one hundred thirty-four".