111353859440 has 40 divisors (see below), whose sum is σ = 261806703120. Its totient is φ = 44041074176.

The previous prime is 111353859343. The next prime is 111353859481. The reversal of 111353859440 is 44958353111.

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

It is a super-2 number, since 2×111353859440² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111353859391 and 111353859400.

It is a congruent number.

It is an unprimeable number.

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, 7812674 + ... + 7826913.

It is an arithmetic number, because the mean of its divisors is an integer number (6545167578).

Almost surely, 2^111353859440 is an apocalyptic number.

111353859440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111353859440 is an abundant number, since it is smaller than the sum of its proper divisors (150452843680).

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

111353859440 is a wasteful number, since it uses less digits than its factorization.

111353859440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15639689 (or 15639683 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 111353859440 in words is "one hundred eleven billion, three hundred fifty-three million, eight hundred fifty-nine thousand, four hundred forty".