8065599021021 has 8 divisors (see below), whose sum is σ = 10854637935264. Its totient is φ = 5326813060400.

The previous prime is 8065599020993. The next prime is 8065599021037. The reversal of 8065599021021 is 1201209955608.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8065599021021 - 2¹⁴ = 8065599004637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8065599021071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12563238030 + ... + 12563238671.

It is an arithmetic number, because the mean of its divisors is an integer number (1356829741908).

Almost surely, 2^{8065599021021} is an apocalyptic number.

It is an amenable number.

8065599021021 is a deficient number, since it is larger than the sum of its proper divisors (2789038914243).

8065599021021 is a wasteful number, since it uses less digits than its factorization.

8065599021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25126476811.

The product of its (nonzero) digits is 388800, while the sum is 48.

The spelling of 8065599021021 in words is "eight trillion, sixty-five billion, five hundred ninety-nine million, twenty-one thousand, twenty-one".