315546565645513 has 4 divisors (see below), whose sum is σ = 329265981543168. Its totient is φ = 301827149747860.

The previous prime is 315546565645453. The next prime is 315546565645537.

It is a happy number.

315546565645513 is nontrivially palindromic in base 10.

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 not a de Polignac number, because 315546565645513 - 2¹³ = 315546565637321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315546565645543) 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, 6859707948793 + ... + 6859707948838.

It is an arithmetic number, because the mean of its divisors is an integer number (82316495385792).

Almost surely, 2^{315546565645513} is an apocalyptic number.

It is an amenable number.

315546565645513 is a deficient number, since it is larger than the sum of its proper divisors (13719415897655).

315546565645513 is a wasteful number, since it uses less digits than its factorization.

315546565645513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13719415897654.

The product of its digits is 486000000, while the sum is 64.

The spelling of 315546565645513 in words is "three hundred fifteen trillion, five hundred forty-six billion, five hundred sixty-five million, six hundred forty-five thousand, five hundred thirteen".