420521523204141 has 20 divisors (see below), whose sum is σ = 628207286421792. Its totient is φ = 280338393472488.

The previous prime is 420521523204121. The next prime is 420521523204173. The reversal of 420521523204141 is 141402325125024.

420521523204141 is a `hidden beast` number, since 4 + 2 + 0 + 5 + 2 + 1 + 5 + 232 + 0 + 414 + 1 = 666.

It is not a de Polignac number, because 420521523204141 - 2³³ = 420512933269549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420521523204096 and 420521523204105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420521523204121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 83545905 + ... + 88436198.

Almost surely, 2^{420521523204141} is an apocalyptic number.

It is an amenable number.

420521523204141 is a deficient number, since it is larger than the sum of its proper divisors (207685763217651).

420521523204141 is a wasteful number, since it uses less digits than its factorization.

420521523204141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172012302 (or 172012293 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 420521523204141 its reverse (141402325125024), we get a palindrome (561923848329165).

The spelling of 420521523204141 in words is "four hundred twenty trillion, five hundred twenty-one billion, five hundred twenty-three million, two hundred four thousand, one hundred forty-one".