13352221511 has 4 divisors (see below), whose sum is σ = 13356329352. Its totient is φ = 13348113672.

The previous prime is 13352221507. The next prime is 13352221543. The reversal of 13352221511 is 11512225331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13352221511 - 2² = 13352221507 is a prime.

It is a super-2 number, since 2×13352221511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13352221111) 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, 2049041 + ... + 2055546.

It is an arithmetic number, because the mean of its divisors is an integer number (3339082338).

Almost surely, 2^13352221511 is an apocalyptic number.

13352221511 is a deficient number, since it is larger than the sum of its proper divisors (4107841).

13352221511 is an equidigital number, since it uses as much as digits as its factorization.

13352221511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107840.

The product of its digits is 1800, while the sum is 26.

Adding to 13352221511 its reverse (11512225331), we get a palindrome (24864446842).

The spelling of 13352221511 in words is "thirteen billion, three hundred fifty-two million, two hundred twenty-one thousand, five hundred eleven".