111500403500000 has 336 divisors, whose sum is σ = 284171446933920. Its totient is φ = 43014048000000.

The previous prime is 111500403499921. The next prime is 111500403500009. The reversal of 111500403500000 is 5304005111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111500403500009) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 14688496205 + ... + 14688503795.

It is an arithmetic number, because the mean of its divisors is an integer number (845748353970).

Almost surely, 2^{111500403500000} is an apocalyptic number.

111500403500000 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 111500403500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142085723466960).

111500403500000 is an abundant number, since it is smaller than the sum of its proper divisors (172671043433920).

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

111500403500000 is an frugal number, since it uses more digits than its factorization.

111500403500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8673 (or 8640 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 111500403500000 its reverse (5304005111), we get a palindrome (111505707505111).

The spelling of 111500403500000 in words is "one hundred eleven trillion, five hundred billion, four hundred three million, five hundred thousand".