111605225350080 has 896 divisors, whose sum is σ = 461807148072960. Its totient is φ = 22158489600000.

The previous prime is 111605225350067. The next prime is 111605225350121. The reversal of 111605225350080 is 80053522506111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 180721830 + ... + 181338330.

Almost surely, 2^{111605225350080} is an apocalyptic number.

111605225350080 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 111605225350080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230903574036480).

111605225350080 is an abundant number, since it is smaller than the sum of its proper divisors (350201922722880).

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

111605225350080 is a wasteful number, since it uses less digits than its factorization.

111605225350080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616649 (or 616639 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

Adding to 111605225350080 its reverse (80053522506111), we get a palindrome (191658747856191).

The spelling of 111605225350080 in words is "one hundred eleven trillion, six hundred five billion, two hundred twenty-five million, three hundred fifty thousand, eighty".