13410020543021 has 16 divisors (see below), whose sum is σ = 13780818491328. Its totient is φ = 13041327369600.

The previous prime is 13410020543011. The next prime is 13410020543047. The reversal of 13410020543021 is 12034502001431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13410020543021 - 2⁴² = 9011974031917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13410020543011) 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, 47819411 + ... + 48099023.

It is an arithmetic number, because the mean of its divisors is an integer number (861301155708).

Almost surely, 2^{13410020543021} is an apocalyptic number.

It is an amenable number.

13410020543021 is a deficient number, since it is larger than the sum of its proper divisors (370797948307).

13410020543021 is a wasteful number, since it uses less digits than its factorization.

13410020543021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283372.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13410020543021 its reverse (12034502001431), we get a palindrome (25444522544452).

The spelling of 13410020543021 in words is "thirteen trillion, four hundred ten billion, twenty million, five hundred forty-three thousand, twenty-one".