13353500320225 has 24 divisors (see below), whose sum is σ = 18246757952192. Its totient is φ = 9631719720000.

The previous prime is 13353500320163. The next prime is 13353500320261. The reversal of 13353500320225 is 52202300535331.

It is not a de Polignac number, because 13353500320225 - 2²⁷ = 13353366102497 is a prime.

It is a super-3 number, since 3×13353500320225³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 477749901 + ... + 477777850.

Almost surely, 2^{13353500320225} is an apocalyptic number.

It is an amenable number.

13353500320225 is a deficient number, since it is larger than the sum of its proper divisors (4893257631967).

13353500320225 is a wasteful number, since it uses less digits than its factorization.

13353500320225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955527817 (or 955527812 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 34.

Adding to 13353500320225 its reverse (52202300535331), we get a palindrome (65555800855556).

The spelling of 13353500320225 in words is "thirteen trillion, three hundred fifty-three billion, five hundred million, three hundred twenty thousand, two hundred twenty-five".