12515026706560 has 256 divisors, whose sum is σ = 34570851840000. Its totient is φ = 4243688976384.

The previous prime is 12515026706519. The next prime is 12515026706563. The reversal of 12515026706560 is 6560762051521.

It is a self number, because there is not a number n which added to its sum of digits gives 12515026706560.

It is not an unprimeable number, because it can be changed into a prime (12515026706563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148841811 + ... + 148925869.

It is an arithmetic number, because the mean of its divisors is an integer number (135042390000).

Almost surely, 2^{12515026706560} is an apocalyptic number.

12515026706560 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 12515026706560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17285425920000).

12515026706560 is an abundant number, since it is smaller than the sum of its proper divisors (22055825133440).

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

12515026706560 is a wasteful number, since it uses less digits than its factorization.

12515026706560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84451 (or 84439 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 12515026706560 in words is "twelve trillion, five hundred fifteen billion, twenty-six million, seven hundred six thousand, five hundred sixty".