111134143143 has 12 divisors (see below), whose sum is σ = 161455000200. Its totient is φ = 73661165136.

The previous prime is 111134143123. The next prime is 111134143147. The reversal of 111134143143 is 341341431111.

111134143143 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 341 + 4 + 314 + 3 = 666.

It is not a de Polignac number, because 111134143143 - 2⁹ = 111134142631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111134143147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35686993 + ... + 35690106.

It is an arithmetic number, because the mean of its divisors is an integer number (13454583350).

Almost surely, 2^111134143143 is an apocalyptic number.

111134143143 is a deficient number, since it is larger than the sum of its proper divisors (50320857057).

111134143143 is a wasteful number, since it uses less digits than its factorization.

111134143143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71377278 (or 71377275 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 111134143143 its reverse (341341431111), we get a palindrome (452475574254).

The spelling of 111134143143 in words is "one hundred eleven billion, one hundred thirty-four million, one hundred forty-three thousand, one hundred forty-three".