12857258542680 has 256 divisors, whose sum is σ = 45394941974400. Its totient is φ = 3225754828800.

The previous prime is 12857258542673. The next prime is 12857258542691. The reversal of 12857258542680 is 8624585275821.

12857258542680 is a `hidden beast` number, since 1 + 2 + 8 + 5 + 7 + 2 + 5 + 8 + 542 + 6 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 51301354 + ... + 51551366.

Almost surely, 2^{12857258542680} is an apocalyptic number.

12857258542680 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 12857258542680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22697470987200).

12857258542680 is an abundant number, since it is smaller than the sum of its proper divisors (32537683431720).

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

12857258542680 is a wasteful number, since it uses less digits than its factorization.

12857258542680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252851 (or 252841 counting only the distinct ones).

The product of its (nonzero) digits is 86016000, while the sum is 63.

The spelling of 12857258542680 in words is "twelve trillion, eight hundred fifty-seven billion, two hundred fifty-eight million, five hundred forty-two thousand, six hundred eighty".