111345054440 has 64 divisors (see below), whose sum is σ = 253649309760. Its totient is φ = 43983278080.

The previous prime is 111345054439. The next prime is 111345054461. The reversal of 111345054440 is 44450543111.

It is a super-2 number, since 2×111345054440² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111345054397 and 111345054406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10409495 + ... + 10420185.

It is an arithmetic number, because the mean of its divisors is an integer number (3963270465).

Almost surely, 2^111345054440 is an apocalyptic number.

111345054440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111345054440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126824654880).

111345054440 is an abundant number, since it is smaller than the sum of its proper divisors (142304255320).

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

111345054440 is a wasteful number, since it uses less digits than its factorization.

111345054440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13922 (or 13918 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 111345054440 its reverse (44450543111), we get a palindrome (155795597551).

The spelling of 111345054440 in words is "one hundred eleven billion, three hundred forty-five million, fifty-four thousand, four hundred forty".