13225416321655 has 8 divisors (see below), whose sum is σ = 16705789038000. Its totient is φ = 10023473422656.

The previous prime is 13225416321647. The next prime is 13225416321661. The reversal of 13225416321655 is 55612361452231.

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

It is a cyclic number.

It is not a de Polignac number, because 13225416321655 - 2³ = 13225416321647 is a prime.

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, 69607454230 + ... + 69607454419.

It is an arithmetic number, because the mean of its divisors is an integer number (2088223629750).

Almost surely, 2^{13225416321655} is an apocalyptic number.

13225416321655 is a deficient number, since it is larger than the sum of its proper divisors (3480372716345).

13225416321655 is a wasteful number, since it uses less digits than its factorization.

13225416321655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139214908673.

The product of its digits is 1296000, while the sum is 46.

Adding to 13225416321655 its reverse (55612361452231), we get a palindrome (68837777773886).

The spelling of 13225416321655 in words is "thirteen trillion, two hundred twenty-five billion, four hundred sixteen million, three hundred twenty-one thousand, six hundred fifty-five".