13420033405516 has 12 divisors (see below), whose sum is σ = 24294888061920. Its totient is φ = 6478636816400.

The previous prime is 13420033405489. The next prime is 13420033405531. The reversal of 13420033405516 is 61550433002431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57844971460 + ... + 57844971691.

It is an arithmetic number, because the mean of its divisors is an integer number (2024574005160).

Almost surely, 2^{13420033405516} is an apocalyptic number.

It is an amenable number.

13420033405516 is a deficient number, since it is larger than the sum of its proper divisors (10874854656404).

13420033405516 is a wasteful number, since it uses less digits than its factorization.

13420033405516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115689943184 (or 115689943182 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 13420033405516 its reverse (61550433002431), we get a palindrome (74970466407947).

The spelling of 13420033405516 in words is "thirteen trillion, four hundred twenty billion, thirty-three million, four hundred five thousand, five hundred sixteen".