12644282685375 has 384 divisors, whose sum is σ = 27338568671232. Its totient is φ = 5772280320000.

The previous prime is 12644282685367. The next prime is 12644282685407. The reversal of 12644282685375 is 57358628244621.

12644282685375 is a `hidden beast` number, since 1 + 2 + 6 + 442 + 82 + 6 + 85 + 37 + 5 = 666.

It is not a de Polignac number, because 12644282685375 - 2³ = 12644282685367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 383224879 + ... + 383257871.

It is an arithmetic number, because the mean of its divisors is an integer number (71194189248).

Almost surely, 2^{12644282685375} is an apocalyptic number.

12644282685375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12644282685375 is an abundant number, since it is smaller than the sum of its proper divisors (14694285985857).

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

12644282685375 is a wasteful number, since it uses less digits than its factorization.

12644282685375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33102 (or 33080 counting only the distinct ones).

The product of its digits is 154828800, while the sum is 63.

The spelling of 12644282685375 in words is "twelve trillion, six hundred forty-four billion, two hundred eighty-two million, six hundred eighty-five thousand, three hundred seventy-five".