12432565407517 has 4 divisors (see below), whose sum is σ = 12432626134720. Its totient is φ = 12432504680316.

The previous prime is 12432565407491. The next prime is 12432565407553. The reversal of 12432565407517 is 71570456523421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12432565407517 is a prime.

It is a super-2 number, since 2×12432565407517² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432565407917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30055467 + ... + 30466312.

It is an arithmetic number, because the mean of its divisors is an integer number (3108156533680).

Almost surely, 2^{12432565407517} is an apocalyptic number.

It is an amenable number.

12432565407517 is a deficient number, since it is larger than the sum of its proper divisors (60727203).

12432565407517 is an equidigital number, since it uses as much as digits as its factorization.

12432565407517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60727202.

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 12432565407517 in words is "twelve trillion, four hundred thirty-two billion, five hundred sixty-five million, four hundred seven thousand, five hundred seventeen".