5327781520521 has 16 divisors (see below), whose sum is σ = 7129918656000. Its totient is φ = 3538766097408.

The previous prime is 5327781520493. The next prime is 5327781520531. The reversal of 5327781520521 is 1250251877235.

It is not a de Polignac number, because 5327781520521 - 2¹¹ = 5327781518473 is a prime.

It is a super-2 number, since 2×5327781520521² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5327781520531) 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, 816441 + ... + 3364838.

It is an arithmetic number, because the mean of its divisors is an integer number (445619916000).

Almost surely, 2^{5327781520521} is an apocalyptic number.

It is an amenable number.

5327781520521 is a deficient number, since it is larger than the sum of its proper divisors (1802137135479).

5327781520521 is a wasteful number, since it uses less digits than its factorization.

5327781520521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182848.

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 5327781520521 in words is "five trillion, three hundred twenty-seven billion, seven hundred eighty-one million, five hundred twenty thousand, five hundred twenty-one".