111522480912 has 200 divisors, whose sum is σ = 347372277912. Its totient is φ = 34413465600.

The previous prime is 111522480907. The next prime is 111522480961. The reversal of 111522480912 is 219084225111.

111522480912 is a `hidden beast` number, since 1 + 1 + 1 + 522 + 48 + 0 + 91 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2400608016 + 109121872896 = 48996^2 + 330336^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1302462 + ... + 1385442.

Almost surely, 2^111522480912 is an apocalyptic number.

111522480912 is a gapful number since it is divisible by the number (12) 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 111522480912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173686138956).

111522480912 is an abundant number, since it is smaller than the sum of its proper divisors (235849797000).

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

111522480912 is a wasteful number, since it uses less digits than its factorization.

111522480912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83079 (or 83064 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The spelling of 111522480912 in words is "one hundred eleven billion, five hundred twenty-two million, four hundred eighty thousand, nine hundred twelve".