5023521523521 has 40 divisors (see below), whose sum is σ = 8028730424000. Its totient is φ = 3120738075360.

The previous prime is 5023521523481. The next prime is 5023521523583. The reversal of 5023521523521 is 1253251253205.

5023521523521 is a `hidden beast` number, since 5 + 0 + 235 + 21 + 52 + 352 + 1 = 666.

It is not a de Polignac number, because 5023521523521 - 2⁶ = 5023521523457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5023521523421) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26661421 + ... + 26849178.

It is an arithmetic number, because the mean of its divisors is an integer number (200718260600).

Almost surely, 2^{5023521523521} is an apocalyptic number.

It is an amenable number.

5023521523521 is a deficient number, since it is larger than the sum of its proper divisors (3005208900479).

5023521523521 is a wasteful number, since it uses less digits than its factorization.

5023521523521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53510691 (or 53510682 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 5023521523521 its reverse (1253251253205), we get a palindrome (6276772776726).

The spelling of 5023521523521 in words is "five trillion, twenty-three billion, five hundred twenty-one million, five hundred twenty-three thousand, five hundred twenty-one".