12660525360 has 960 divisors, whose sum is σ = 54596505600. Its totient is φ = 2563964928.

The previous prime is 12660525359. The next prime is 12660525391. The reversal of 12660525360 is 6352506621.

It is a happy number.

12660525360 is a `hidden beast` number, since 1 + 26 + 605 + 25 + 3 + 6 + 0 = 666.

It is a Cunningham number, because it is equal to 112519²-1.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 130520832 + ... + 130520928.

It is an arithmetic number, because the mean of its divisors is an integer number (56871360).

Almost surely, 2^12660525360 is an apocalyptic number.

12660525360 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 12660525360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27298252800).

12660525360 is an abundant number, since it is smaller than the sum of its proper divisors (41935980240).

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

12660525360 is a wasteful number, since it uses less digits than its factorization.

12660525360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 12660525360 in words is "twelve billion, six hundred sixty million, five hundred twenty-five thousand, three hundred sixty".