315106665605201 has 4 divisors (see below), whose sum is σ = 315161533565952. Its totient is φ = 315051797644452.

The previous prime is 315106665605197. The next prime is 315106665605243. The reversal of 315106665605201 is 102506566601513.

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 315106665605201 - 2² = 315106665605197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315106665608201) 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, 27433971761 + ... + 27433983246.

It is an arithmetic number, because the mean of its divisors is an integer number (78790383391488).

Almost surely, 2^{315106665605201} is an apocalyptic number.

It is an amenable number.

315106665605201 is a deficient number, since it is larger than the sum of its proper divisors (54867960751).

315106665605201 is an equidigital number, since it uses as much as digits as its factorization.

315106665605201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54867960750.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 315106665605201 in words is "three hundred fifteen trillion, one hundred six billion, six hundred sixty-five million, six hundred five thousand, two hundred one".