13320042125 has 32 divisors (see below), whose sum is σ = 18069682176. Its totient is φ = 9744283200.

The previous prime is 13320042121. The next prime is 13320042139. The reversal of 13320042125 is 52124002331.

It is not a de Polignac number, because 13320042125 - 2² = 13320042121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13320042125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320042121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135572 + ... + 212178.

It is an arithmetic number, because the mean of its divisors is an integer number (564677568).

Almost surely, 2^13320042125 is an apocalyptic number.

It is an amenable number.

13320042125 is a deficient number, since it is larger than the sum of its proper divisors (4749640051).

13320042125 is a wasteful number, since it uses less digits than its factorization.

13320042125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76742 (or 76732 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 13320042125 its reverse (52124002331), we get a palindrome (65444044456).

The spelling of 13320042125 in words is "thirteen billion, three hundred twenty million, forty-two thousand, one hundred twenty-five".