13352010311521 has 4 divisors (see below), whose sum is σ = 15259440356032. Its totient is φ = 11444580267012.

The previous prime is 13352010311513. The next prime is 13352010311537. The reversal of 13352010311521 is 12511301025331.

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 13352010311521 - 2³ = 13352010311513 is a prime.

It is a super-2 number, since 2×13352010311521² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13352010311521.

It is not an unprimeable number, because it can be changed into a prime (13352010311021) 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, 953715022245 + ... + 953715022258.

It is an arithmetic number, because the mean of its divisors is an integer number (3814860089008).

Almost surely, 2^{13352010311521} is an apocalyptic number.

It is an amenable number.

13352010311521 is a deficient number, since it is larger than the sum of its proper divisors (1907430044511).

13352010311521 is an equidigital number, since it uses as much as digits as its factorization.

13352010311521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907430044510.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 13352010311521 its reverse (12511301025331), we get a palindrome (25863311336852).

The spelling of 13352010311521 in words is "thirteen trillion, three hundred fifty-two billion, ten million, three hundred eleven thousand, five hundred twenty-one".