5999644851201 has 24 divisors (see below), whose sum is σ = 8988658885024. Its totient is φ = 3999079382400.

The previous prime is 5999644851181. The next prime is 5999644851229. The reversal of 5999644851201 is 1021584469995.

5999644851201 is a `hidden beast` number, since 5 + 9 + 99 + 64 + 485 + 1 + 2 + 0 + 1 = 666.

It is not a de Polignac number, because 5999644851201 - 2⁷ = 5999644851073 is a prime.

It is a super-2 number, since 2×5999644851201² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5999644851271) 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, 684475 + ... + 3530976.

Almost surely, 2^{5999644851201} is an apocalyptic number.

It is an amenable number.

5999644851201 is a deficient number, since it is larger than the sum of its proper divisors (2989014033823).

5999644851201 is an equidigital number, since it uses as much as digits as its factorization.

5999644851201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221323 (or 4221311 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 63.

The spelling of 5999644851201 in words is "five trillion, nine hundred ninety-nine billion, six hundred forty-four million, eight hundred fifty-one thousand, two hundred one".