111424112001240 has 128 divisors (see below), whose sum is σ = 343592590633920. Its totient is φ = 28885966848000.

The previous prime is 111424112001239. The next prime is 111424112001253. The reversal of 111424112001240 is 42100211424111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 111424112001240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5115321 + ... + 15780200.

Almost surely, 2^{111424112001240} is an apocalyptic number.

111424112001240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111424112001240 is an abundant number, since it is smaller than the sum of its proper divisors (232168478632680).

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

111424112001240 is a wasteful number, since it uses less digits than its factorization.

111424112001240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20896773 (or 20896769 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 111424112001240 its reverse (42100211424111), we get a palindrome (153524323425351).

The spelling of 111424112001240 in words is "one hundred eleven trillion, four hundred twenty-four billion, one hundred twelve million, one thousand, two hundred forty".