12655543625244 has 120 divisors (see below), whose sum is σ = 35683094074320. Its totient is φ = 3888103597056.

The previous prime is 12655543625239. The next prime is 12655543625251. The reversal of 12655543625244 is 44252634555621.

12655543625244 is a `hidden beast` number, since 1 + 2 + 6 + 5 + 5 + 5 + 4 + 3 + 625 + 2 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 496012 + ... + 5055404.

It is an arithmetic number, because the mean of its divisors is an integer number (297359117286).

Almost surely, 2^{12655543625244} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12655543625244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17841547037160).

12655543625244 is an abundant number, since it is smaller than the sum of its proper divisors (23027550449076).

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

12655543625244 is a wasteful number, since it uses less digits than its factorization.

12655543625244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560081 (or 4560070 counting only the distinct ones).

The product of its digits is 34560000, while the sum is 54.

The spelling of 12655543625244 in words is "twelve trillion, six hundred fifty-five billion, five hundred forty-three million, six hundred twenty-five thousand, two hundred forty-four".