111105112240 has 40 divisors (see below), whose sum is σ = 258430544208. Its totient is φ = 44422920960.

The previous prime is 111105112231. The next prime is 111105112241. The reversal of 111105112240 is 42211501111.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (111105112241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111006 + ... + 484285.

Almost surely, 2^111105112240 is an apocalyptic number.

111105112240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111105112240 is an abundant number, since it is smaller than the sum of its proper divisors (147325431968).

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

111105112240 is a wasteful number, since it uses less digits than its factorization.

111105112240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597637 (or 597631 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 19.

Adding to 111105112240 its reverse (42211501111), we get a palindrome (153316613351).

The spelling of 111105112240 in words is "one hundred eleven billion, one hundred five million, one hundred twelve thousand, two hundred forty".