13521225313235 has 8 divisors (see below), whose sum is σ = 16930925609760. Its totient is φ = 10346676761344.

The previous prime is 13521225313231. The next prime is 13521225313237. The reversal of 13521225313235 is 53231352212531.

It is a happy number.

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 13521225313235 - 2² = 13521225313231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13521225313231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58787936030 + ... + 58787936259.

It is an arithmetic number, because the mean of its divisors is an integer number (2116365701220).

Almost surely, 2^{13521225313235} is an apocalyptic number.

13521225313235 is a deficient number, since it is larger than the sum of its proper divisors (3409700296525).

13521225313235 is a wasteful number, since it uses less digits than its factorization.

13521225313235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117575872317.

The product of its digits is 162000, while the sum is 38.

Adding to 13521225313235 its reverse (53231352212531), we get a palindrome (66752577525766).

The spelling of 13521225313235 in words is "thirteen trillion, five hundred twenty-one billion, two hundred twenty-five million, three hundred thirteen thousand, two hundred thirty-five".