13215134305535 has 8 divisors (see below), whose sum is σ = 15879277231296. Its totient is φ = 10558030068000.

The previous prime is 13215134305507. The next prime is 13215134305553. The reversal of 13215134305535 is 53550343151231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13215134305535 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13215134305492 and 13215134305501.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1759667924 + ... + 1759675433.

It is an arithmetic number, because the mean of its divisors is an integer number (1984909653912).

Almost surely, 2^{13215134305535} is an apocalyptic number.

13215134305535 is a deficient number, since it is larger than the sum of its proper divisors (2664142925761).

13215134305535 is an equidigital number, since it uses as much as digits as its factorization.

13215134305535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519344113.

The product of its (nonzero) digits is 405000, while the sum is 41.

Adding to 13215134305535 its reverse (53550343151231), we get a palindrome (66765477456766).

The spelling of 13215134305535 in words is "thirteen trillion, two hundred fifteen billion, one hundred thirty-four million, three hundred five thousand, five hundred thirty-five".