13142433103521 has 16 divisors (see below), whose sum is σ = 17950998069504. Its totient is φ = 8550189411984.

The previous prime is 13142433103517. The next prime is 13142433103523. The reversal of 13142433103521 is 12530133424131.

It is not a de Polignac number, because 13142433103521 - 2² = 13142433103517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13142433103523) 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, 305516995 + ... + 305560008.

It is an arithmetic number, because the mean of its divisors is an integer number (1121937379344).

Almost surely, 2^{13142433103521} is an apocalyptic number.

It is an amenable number.

13142433103521 is a deficient number, since it is larger than the sum of its proper divisors (4808564965983).

13142433103521 is a wasteful number, since it uses less digits than its factorization.

13142433103521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611077180.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 13142433103521 its reverse (12530133424131), we get a palindrome (25672566527652).

The spelling of 13142433103521 in words is "thirteen trillion, one hundred forty-two billion, four hundred thirty-three million, one hundred three thousand, five hundred twenty-one".