12663152516256 has 48 divisors (see below), whose sum is σ = 36262664026848. Its totient is φ = 3837318944000.

The previous prime is 12663152516249. The next prime is 12663152516263. The reversal of 12663152516256 is 65261525136621.

It is an interprime number because it is at equal distance from previous prime (12663152516249) and next prime (12663152516263).

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 12663152516199 and 12663152516208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5995809795 + ... + 5995811906.

It is an arithmetic number, because the mean of its divisors is an integer number (755472167226).

Almost surely, 2^{12663152516256} is an apocalyptic number.

12663152516256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12663152516256 is an abundant number, since it is smaller than the sum of its proper divisors (23599511510592).

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

12663152516256 is a wasteful number, since it uses less digits than its factorization.

12663152516256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11991621725 (or 11991621717 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 51.

The spelling of 12663152516256 in words is "twelve trillion, six hundred sixty-three billion, one hundred fifty-two million, five hundred sixteen thousand, two hundred fifty-six".