111506327143 has 4 divisors (see below), whose sum is σ = 112529321080. Its totient is φ = 110483333208.

The previous prime is 111506327111. The next prime is 111506327161. The reversal of 111506327143 is 341723605111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111506327143 - 2⁵ = 111506327111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111506327099 and 111506327108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111506327173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511496805 + ... + 511497022.

It is an arithmetic number, because the mean of its divisors is an integer number (28132330270).

Almost surely, 2^111506327143 is an apocalyptic number.

111506327143 is a deficient number, since it is larger than the sum of its proper divisors (1022993937).

111506327143 is a wasteful number, since it uses less digits than its factorization.

111506327143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022993936.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 111506327143 in words is "one hundred eleven billion, five hundred six million, three hundred twenty-seven thousand, one hundred forty-three".