5987665543321 has 12 divisors (see below), whose sum is σ = 7521695559616. Its totient is φ = 4665713409720.

The previous prime is 5987665543319. The next prime is 5987665543381. The reversal of 5987665543321 is 1233455667895.

It is not a de Polignac number, because 5987665543321 - 2¹ = 5987665543319 is a prime.

It is a super-2 number, since 2×5987665543321² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5987665543381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3534630525 + ... + 3534632218.

Almost surely, 2^{5987665543321} is an apocalyptic number.

It is an amenable number.

5987665543321 is a deficient number, since it is larger than the sum of its proper divisors (1534030016295).

5987665543321 is a wasteful number, since it uses less digits than its factorization.

5987665543321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7069262772 (or 7069262761 counting only the distinct ones).

The product of its digits is 163296000, while the sum is 64.

The spelling of 5987665543321 in words is "five trillion, nine hundred eighty-seven billion, six hundred sixty-five million, five hundred forty-three thousand, three hundred twenty-one".