13662120325 has 12 divisors (see below), whose sum is σ = 19361176480. Its totient is φ = 9368310960.

The previous prime is 13662120293. The next prime is 13662120337. The reversal of 13662120325 is 52302126631.

It is a happy number.

13662120325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13662120325 - 2⁵ = 13662120293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39034455 + ... + 39034804.

Almost surely, 2^13662120325 is an apocalyptic number.

It is an amenable number.

13662120325 is a deficient number, since it is larger than the sum of its proper divisors (5699056155).

13662120325 is an equidigital number, since it uses as much as digits as its factorization.

13662120325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78069276 (or 78069271 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 13662120325 its reverse (52302126631), we get a palindrome (65964246956).

The spelling of 13662120325 in words is "thirteen billion, six hundred sixty-two million, one hundred twenty thousand, three hundred twenty-five".