111255200000 has 216 divisors, whose sum is σ = 317246819904. Its totient is φ = 38142720000.

The previous prime is 111255199997. The next prime is 111255200047. The reversal of 111255200000 is 2552111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5590067 + ... + 5609933.

Almost surely, 2^111255200000 is an apocalyptic number.

111255200000 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 111255200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158623409952).

111255200000 is an abundant number, since it is smaller than the sum of its proper divisors (205991619904).

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

111255200000 is an frugal number, since it uses more digits than its factorization.

111255200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19915 (or 19881 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

Adding to 111255200000 its reverse (2552111), we get a palindrome (111257752111).

It can be divided in two parts, 11125 and 5200000, that added together give a palindrome (5211125).

The spelling of 111255200000 in words is "one hundred eleven billion, two hundred fifty-five million, two hundred thousand".