12547775667360 has 384 divisors, whose sum is σ = 40818851168256. Its totient is φ = 3238019112960.

The previous prime is 12547775667253. The next prime is 12547775667379. The reversal of 12547775667360 is 6376657774521.

It is a junction number, because it is equal to n+sod(n) for n = 12547775667291 and 12547775667300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1241980069 + ... + 1241990171.

It is an arithmetic number, because the mean of its divisors is an integer number (106299091584).

Almost surely, 2^{12547775667360} is an apocalyptic number.

12547775667360 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 12547775667360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20409425584128).

12547775667360 is an abundant number, since it is smaller than the sum of its proper divisors (28271075500896).

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

12547775667360 is a wasteful number, since it uses less digits than its factorization.

12547775667360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10668 (or 10660 counting only the distinct ones).

The product of its (nonzero) digits is 311169600, while the sum is 66.

The spelling of 12547775667360 in words is "twelve trillion, five hundred forty-seven billion, seven hundred seventy-five million, six hundred sixty-seven thousand, three hundred sixty".