2685563258112 has 180 divisors, whose sum is σ = 9151844730336. Its totient is φ = 767303746560.

The previous prime is 2685563258089. The next prime is 2685563258201. The reversal of 2685563258112 is 2118523655862.

2685563258112 is a `hidden beast` number, since 2 + 6 + 8 + 5 + 56 + 3 + 2 + 581 + 1 + 2 = 666.

It is a super-2 number, since 2×2685563258112² (a number of 26 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9105714 + ... + 9396017.

Almost surely, 2^{2685563258112} is an apocalyptic number.

It is an amenable number.

2685563258112 is an abundant number, since it is smaller than the sum of its proper divisors (6466281472224).

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

2685563258112 is an equidigital number, since it uses as much as digits as its factorization.

2685563258112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18501766 (or 18501743 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 54.

The spelling of 2685563258112 in words is "two trillion, six hundred eighty-five billion, five hundred sixty-three million, two hundred fifty-eight thousand, one hundred twelve".