111450445440000 has 220 divisors, whose sum is σ = 371201271557424. Its totient is φ = 29720118272000.

The previous prime is 111450445439999. The next prime is 111450445440001. The reversal of 111450445440000 is 44544054111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111450445439999) and next prime (111450445440001).

It is not an unprimeable number, because it can be changed into a prime (111450445440001) 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 19 ways as a sum of consecutive naturals, for example, 27103554 + ... + 30943553.

Almost surely, 2^{111450445440000} is an apocalyptic number.

111450445440000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111450445440000 is an abundant number, since it is smaller than the sum of its proper divisors (259750826117424).

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

111450445440000 is an frugal number, since it uses more digits than its factorization.

111450445440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58047150 (or 58047117 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 111450445440000 its reverse (44544054111), we get a palindrome (111494989494111).

The spelling of 111450445440000 in words is "one hundred eleven trillion, four hundred fifty billion, four hundred forty-five million, four hundred forty thousand".