111432312142 has 8 divisors (see below), whose sum is σ = 167373434736. Its totient is φ = 55641167232.

The previous prime is 111432312133. The next prime is 111432312143. The reversal of 111432312142 is 241213234111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111432312143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 37492563 + ... + 37495534.

It is an arithmetic number, because the mean of its divisors is an integer number (20921679342).

Almost surely, 2^111432312142 is an apocalyptic number.

111432312142 is a deficient number, since it is larger than the sum of its proper divisors (55941122594).

111432312142 is an equidigital number, since it uses as much as digits as its factorization.

111432312142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74988842.

The product of its digits is 1152, while the sum is 25.

Adding to 111432312142 its reverse (241213234111), we get a palindrome (352645546253).

The spelling of 111432312142 in words is "one hundred eleven billion, four hundred thirty-two million, three hundred twelve thousand, one hundred forty-two".