111431142412 has 12 divisors (see below), whose sum is σ = 197195561640. Its totient is φ = 55089553376.

The previous prime is 111431142391. The next prime is 111431142419. The reversal of 111431142412 is 214241134111.

It is not an unprimeable number, because it can be changed into a prime (111431142419) 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, 156504058 + ... + 156504769.

It is an arithmetic number, because the mean of its divisors is an integer number (16432963470).

Almost surely, 2^111431142412 is an apocalyptic number.

It is an amenable number.

111431142412 is a deficient number, since it is larger than the sum of its proper divisors (85764419228).

111431142412 is a wasteful number, since it uses less digits than its factorization.

111431142412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313008920 (or 313008918 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

Adding to 111431142412 its reverse (214241134111), we get a palindrome (325672276523).

The spelling of 111431142412 in words is "one hundred eleven billion, four hundred thirty-one million, one hundred forty-two thousand, four hundred twelve".