11864446081983 has 24 divisors (see below), whose sum is σ = 18698078103120. Its totient is φ = 7189578264960.

The previous prime is 11864446081967. The next prime is 11864446082011. The reversal of 11864446081983 is 38918064446811.

11864446081983 is a `hidden beast` number, since 1 + 1 + 8 + 6 + 4 + 4 + 4 + 608 + 19 + 8 + 3 = 666.

11864446081983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11864446081983 - 2⁴ = 11864446081967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11864446081983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11864446081283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7573366 + ... + 9004707.

It is an arithmetic number, because the mean of its divisors is an integer number (779086587630).

Almost surely, 2^{11864446081983} is an apocalyptic number.

11864446081983 is a deficient number, since it is larger than the sum of its proper divisors (6833632021137).

11864446081983 is a wasteful number, since it uses less digits than its factorization.

11864446081983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16585319 (or 16585316 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 63.

The spelling of 11864446081983 in words is "eleven trillion, eight hundred sixty-four billion, four hundred forty-six million, eighty-one thousand, nine hundred eighty-three".