11353213524521 has 8 divisors (see below), whose sum is σ = 12923816186304. Its totient is φ = 9872359586320.

The previous prime is 11353213524481. The next prime is 11353213524529. The reversal of 11353213524521 is 12542531235311.

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

It is not a de Polignac number, because 11353213524521 - 2²² = 11353209330217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11353213524529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22437180626 + ... + 22437181131.

It is an arithmetic number, because the mean of its divisors is an integer number (1615477023288).

Almost surely, 2^{11353213524521} is an apocalyptic number.

11353213524521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11353213524521 is a deficient number, since it is larger than the sum of its proper divisors (1570602661783).

11353213524521 is a wasteful number, since it uses less digits than its factorization.

11353213524521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44874361791.

The product of its digits is 108000, while the sum is 38.

Adding to 11353213524521 its reverse (12542531235311), we get a palindrome (23895744759832).

The spelling of 11353213524521 in words is "eleven trillion, three hundred fifty-three billion, two hundred thirteen million, five hundred twenty-four thousand, five hundred twenty-one".