111225112560 has 480 divisors, whose sum is σ = 401242533120. Its totient is φ = 27514109952.

The previous prime is 111225112547. The next prime is 111225112597. The reversal of 111225112560 is 65211522111.

It is a happy number.

111225112560 is a `hidden beast` number, since 1 + 1 + 122 + 511 + 25 + 6 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 465376921 + ... + 465377159.

It is an arithmetic number, because the mean of its divisors is an integer number (835921944).

Almost surely, 2^111225112560 is an apocalyptic number.

111225112560 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 111225112560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200621266560).

111225112560 is an abundant number, since it is smaller than the sum of its proper divisors (290017420560).

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

111225112560 is a wasteful number, since it uses less digits than its factorization.

111225112560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 111225112560 its reverse (65211522111), we get a palindrome (176436634671).

The spelling of 111225112560 in words is "one hundred eleven billion, two hundred twenty-five million, one hundred twelve thousand, five hundred sixty".