13345223552 has 32 divisors (see below), whose sum is σ = 26591557080. Its totient is φ = 6671264256.

The previous prime is 13345223543. The next prime is 13345223557. The reversal of 13345223552 is 25532254331.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13345223557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012718 + ... + 1025810.

Almost surely, 2^13345223552 is an apocalyptic number.

It is an amenable number.

13345223552 is a deficient number, since it is larger than the sum of its proper divisors (13246333528).

13345223552 is an equidigital number, since it uses as much as digits as its factorization.

13345223552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21070 (or 21058 counting only the distinct ones).

The product of its digits is 108000, while the sum is 35.

Adding to 13345223552 its reverse (25532254331), we get a palindrome (38877477883).

The spelling of 13345223552 in words is "thirteen billion, three hundred forty-five million, two hundred twenty-three thousand, five hundred fifty-two".