111332432543 has 4 divisors (see below), whose sum is σ = 111333827640. Its totient is φ = 111331037448.

The previous prime is 111332432539. The next prime is 111332432551. The reversal of 111332432543 is 345234233111.

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 111332432543 - 2² = 111332432539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111332432573) 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, 570080 + ... + 740037.

It is an arithmetic number, because the mean of its divisors is an integer number (27833456910).

Almost surely, 2^111332432543 is an apocalyptic number.

111332432543 is a deficient number, since it is larger than the sum of its proper divisors (1395097).

111332432543 is an equidigital number, since it uses as much as digits as its factorization.

111332432543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395096.

The product of its digits is 25920, while the sum is 32.

Adding to 111332432543 its reverse (345234233111), we get a palindrome (456566665654).

The spelling of 111332432543 in words is "one hundred eleven billion, three hundred thirty-two million, four hundred thirty-two thousand, five hundred forty-three".