315106665605261 has 8 divisors (see below), whose sum is σ = 317411802771264. Its totient is φ = 312801602186080.

The previous prime is 315106665605243. The next prime is 315106665605299. The reversal of 315106665605261 is 162506566601513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315106665605261 - 2⁶ = 315106665605197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315106665005261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9845225 + ... + 26965566.

It is an arithmetic number, because the mean of its divisors is an integer number (39676475346408).

Almost surely, 2^{315106665605261} is an apocalyptic number.

It is an amenable number.

315106665605261 is a deficient number, since it is larger than the sum of its proper divisors (2305137166003).

315106665605261 is a wasteful number, since it uses less digits than its factorization.

315106665605261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36873411.

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 315106665605261 in words is "three hundred fifteen trillion, one hundred six billion, six hundred sixty-five million, six hundred five thousand, two hundred sixty-one".