13663128539952 has 40 divisors (see below), whose sum is σ = 39218239328880. Its totient is φ = 4554376179840.

The previous prime is 13663128539941. The next prime is 13663128539953. The reversal of 13663128539952 is 25993582136631.

13663128539952 is a `hidden beast` number, since 1 + 3 + 6 + 6 + 3 + 1 + 2 + 8 + 539 + 95 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13663128539952.

It is not an unprimeable number, because it can be changed into a prime (13663128539953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15813805749 + ... + 15813806612.

It is an arithmetic number, because the mean of its divisors is an integer number (980455983222).

Almost surely, 2^{13663128539952} is an apocalyptic number.

13663128539952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13663128539952 is an abundant number, since it is smaller than the sum of its proper divisors (25555110788928).

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

13663128539952 is a wasteful number, since it uses less digits than its factorization.

13663128539952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31627612378 (or 31627612366 counting only the distinct ones).

The product of its digits is 62985600, while the sum is 63.

The spelling of 13663128539952 in words is "thirteen trillion, six hundred sixty-three billion, one hundred twenty-eight million, five hundred thirty-nine thousand, nine hundred fifty-two".