11681674982838 has 128 divisors (see below), whose sum is σ = 30977240448000. Its totient is φ = 3260002098528.

The previous prime is 11681674982801. The next prime is 11681674982849. The reversal of 11681674982838 is 83828947618611.

It is a happy number.

11681674982838 is a `hidden beast` number, since 1 + 1 + 6 + 81 + 6 + 7 + 498 + 28 + 38 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6537181 + ... + 8130072.

It is an arithmetic number, because the mean of its divisors is an integer number (242009691000).

Almost surely, 2^{11681674982838} is an apocalyptic number.

11681674982838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11681674982838 is an abundant number, since it is smaller than the sum of its proper divisors (19295565465162).

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

11681674982838 is a wasteful number, since it uses less digits than its factorization.

11681674982838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14667328 (or 14667308 counting only the distinct ones).

The product of its digits is 222953472, while the sum is 72.

The spelling of 11681674982838 in words is "eleven trillion, six hundred eighty-one billion, six hundred seventy-four million, nine hundred eighty-two thousand, eight hundred thirty-eight".