12860863550464 has 176 divisors, whose sum is σ = 26686078064640. Its totient is φ = 6188495339520.

The previous prime is 12860863550399. The next prime is 12860863550489. The reversal of 12860863550464 is 46405536806821.

It is a super-2 number, since 2×12860863550464² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12860863550399 and 12860863550408.

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 15 ways as a sum of consecutive naturals, for example, 5057357577 + ... + 5057360119.

Almost surely, 2^{12860863550464} 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 12860863550464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13343039032320).

12860863550464 is an abundant number, since it is smaller than the sum of its proper divisors (13825214514176).

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

12860863550464 is a wasteful number, since it uses less digits than its factorization.

12860863550464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416 (or 3398 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 58.

The spelling of 12860863550464 in words is "twelve trillion, eight hundred sixty billion, eight hundred sixty-three million, five hundred fifty thousand, four hundred sixty-four".