5999089555221 has 16 divisors (see below), whose sum is σ = 9179401216128. Its totient is φ = 3413826892800.

The previous prime is 5999089555139. The next prime is 5999089555223. The reversal of 5999089555221 is 1225559809995.

It is not a de Polignac number, because 5999089555221 - 2¹⁰ = 5999089554197 is a prime.

It is a super-3 number, since 3×5999089555221³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5999089555223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592673220 + ... + 592683341.

It is an arithmetic number, because the mean of its divisors is an integer number (573712576008).

Almost surely, 2^{5999089555221} is an apocalyptic number.

It is an amenable number.

5999089555221 is a deficient number, since it is larger than the sum of its proper divisors (3180311660907).

5999089555221 is a wasteful number, since it uses less digits than its factorization.

5999089555221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185356812.

The product of its (nonzero) digits is 131220000, while the sum is 69.

The spelling of 5999089555221 in words is "five trillion, nine hundred ninety-nine billion, eighty-nine million, five hundred fifty-five thousand, two hundred twenty-one".