111858422434 has 16 divisors (see below), whose sum is σ = 193808176416. Its totient is φ = 47853870400.

The previous prime is 111858422339. The next prime is 111858422437. The reversal of 111858422434 is 434224858111.

It is not an unprimeable number, because it can be changed into a prime (111858422437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149542972 + ... + 149543719.

It is an arithmetic number, because the mean of its divisors is an integer number (12113011026).

Almost surely, 2^111858422434 is an apocalyptic number.

111858422434 is a deficient number, since it is larger than the sum of its proper divisors (81949753982).

111858422434 is a wasteful number, since it uses less digits than its factorization.

111858422434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299086721.

The product of its digits is 245760, while the sum is 43.

The spelling of 111858422434 in words is "one hundred eleven billion, eight hundred fifty-eight million, four hundred twenty-two thousand, four hundred thirty-four".