111432420142 has 8 divisors (see below), whose sum is σ = 175945926600. Its totient is φ = 52783777944.

The previous prime is 111432420139. The next prime is 111432420149. The reversal of 111432420142 is 241024234111.

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

It is a super-3 number, since 3×111432420142³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111432420149) 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, 1466216017 + ... + 1466216092.

It is an arithmetic number, because the mean of its divisors is an integer number (21993240825).

Almost surely, 2^111432420142 is an apocalyptic number.

111432420142 is a deficient number, since it is larger than the sum of its proper divisors (64513506458).

111432420142 is a wasteful number, since it uses less digits than its factorization.

111432420142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932432130.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 111432420142 its reverse (241024234111), we get a palindrome (352456654253).

The spelling of 111432420142 in words is "one hundred eleven billion, four hundred thirty-two million, four hundred twenty thousand, one hundred forty-two".