11678617153863 has 64 divisors (see below), whose sum is σ = 20171574167040. Its totient is φ = 6599341555200.

The previous prime is 11678617153811. The next prime is 11678617153867. The reversal of 11678617153863 is 36835171687611.

11678617153863 is a `hidden beast` number, since 1 + 1 + 6 + 7 + 8 + 617 + 1 + 5 + 3 + 8 + 6 + 3 = 666.

It is not a de Polignac number, because 11678617153863 - 2⁶ = 11678617153799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11678617153863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11678617153867) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10268428 + ... + 11348913.

It is an arithmetic number, because the mean of its divisors is an integer number (315180846360).

Almost surely, 2^{11678617153863} is an apocalyptic number.

11678617153863 is a deficient number, since it is larger than the sum of its proper divisors (8492957013177).

11678617153863 is a wasteful number, since it uses less digits than its factorization.

11678617153863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21617485 (or 21617479 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The spelling of 11678617153863 in words is "eleven trillion, six hundred seventy-eight billion, six hundred seventeen million, one hundred fifty-three thousand, eight hundred sixty-three".