8001436027521 has 8 divisors (see below), whose sum is σ = 10928790671904. Its totient is φ = 5204186034080.

The previous prime is 8001436027513. The next prime is 8001436027523. The reversal of 8001436027521 is 1257206341008.

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 8001436027521 - 2³ = 8001436027513 is a prime.

It is a super-3 number, since 3×8001436027521³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 8001436027521.

It is not an unprimeable number, because it can be changed into a prime (8001436027523) 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 7 ways as a sum of consecutive naturals, for example, 32526162591 + ... + 32526162836.

It is an arithmetic number, because the mean of its divisors is an integer number (1366098833988).

Almost surely, 2^{8001436027521} is an apocalyptic number.

It is an amenable number.

8001436027521 is a deficient number, since it is larger than the sum of its proper divisors (2927354644383).

8001436027521 is a wasteful number, since it uses less digits than its factorization.

8001436027521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65052325471.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 8001436027521 in words is "eight trillion, one billion, four hundred thirty-six million, twenty-seven thousand, five hundred twenty-one".