13003311225 has 24 divisors (see below), whose sum is σ = 21549926272. Its totient is φ = 6918609600.

The previous prime is 13003311187. The next prime is 13003311227. The reversal of 13003311225 is 52211330031.

It is not a de Polignac number, because 13003311225 - 2⁹ = 13003310713 is a prime.

It is a super-2 number, since 2×13003311225² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13003311227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174337 + ... + 237486.

Almost surely, 2^13003311225 is an apocalyptic number.

13003311225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13003311225 is a deficient number, since it is larger than the sum of its proper divisors (8546615047).

13003311225 is a wasteful number, since it uses less digits than its factorization.

13003311225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412257 (or 412252 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 13003311225 its reverse (52211330031), we get a palindrome (65214641256).

The spelling of 13003311225 in words is "thirteen billion, three million, three hundred eleven thousand, two hundred twenty-five".