13253505214321 has 4 divisors (see below), whose sum is σ = 13253623822912. Its totient is φ = 13253386605732.

The previous prime is 13253505214297. The next prime is 13253505214349. The reversal of 13253505214321 is 12341250535231.

It is a happy number.

13253505214321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13253505214321 - 2¹⁷ = 13253505083249 is a prime.

It is a super-2 number, since 2×13253505214321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13253505214721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59136525 + ... + 59360218.

It is an arithmetic number, because the mean of its divisors is an integer number (3313405955728).

Almost surely, 2^{13253505214321} is an apocalyptic number.

It is an amenable number.

13253505214321 is a deficient number, since it is larger than the sum of its proper divisors (118608591).

13253505214321 is a wasteful number, since it uses less digits than its factorization.

13253505214321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118608590.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 13253505214321 its reverse (12341250535231), we get a palindrome (25594755749552).

The spelling of 13253505214321 in words is "thirteen trillion, two hundred fifty-three billion, five hundred five million, two hundred fourteen thousand, three hundred twenty-one".