111355234424 has 16 divisors (see below), whose sum is σ = 238618359600. Its totient is φ = 47723671872.

The previous prime is 111355234423. The next prime is 111355234439. The reversal of 111355234424 is 424432553111.

It is a super-2 number, since 2×111355234424² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111355234423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994243109 + ... + 994243220.

It is an arithmetic number, because the mean of its divisors is an integer number (14913647475).

Almost surely, 2^111355234424 is an apocalyptic number.

111355234424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111355234424 is an abundant number, since it is smaller than the sum of its proper divisors (127263125176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111355234424 is a wasteful number, since it uses less digits than its factorization.

111355234424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988486342 (or 1988486338 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

Adding to 111355234424 its reverse (424432553111), we get a palindrome (535787787535).

The spelling of 111355234424 in words is "one hundred eleven billion, three hundred fifty-five million, two hundred thirty-four thousand, four hundred twenty-four".