13405435130525 has 24 divisors (see below), whose sum is σ = 17369326875264. Its totient is φ = 10243961640000.

The previous prime is 13405435130501. The next prime is 13405435130531. The reversal of 13405435130525 is 52503153450431.

It is not a de Polignac number, because 13405435130525 - 2²⁴ = 13405418353309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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, 15616226 + ... + 16452275.

It is an arithmetic number, because the mean of its divisors is an integer number (723721953136).

Almost surely, 2^{13405435130525} is an apocalyptic number.

It is an amenable number.

13405435130525 is a deficient number, since it is larger than the sum of its proper divisors (3963891744739).

13405435130525 is a wasteful number, since it uses less digits than its factorization.

13405435130525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32069261 (or 32069256 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 13405435130525 its reverse (52503153450431), we get a palindrome (65908588580956).

The spelling of 13405435130525 in words is "thirteen trillion, four hundred five billion, four hundred thirty-five million, one hundred thirty thousand, five hundred twenty-five".