315550634026361 has 4 divisors (see below), whose sum is σ = 316156297431924. Its totient is φ = 314944970620800.

The previous prime is 315550634026357. The next prime is 315550634026363. The reversal of 315550634026361 is 163620436055513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 239291353212025 + 76259280814336 = 15469045^2 + 8732656^2 .

It is a cyclic number.

It is not a de Polignac number, because 315550634026361 - 2² = 315550634026357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315550634026363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302831702000 + ... + 302831703041.

It is an arithmetic number, because the mean of its divisors is an integer number (79039074357981).

Almost surely, 2^{315550634026361} is an apocalyptic number.

It is an amenable number.

315550634026361 is a deficient number, since it is larger than the sum of its proper divisors (605663405563).

315550634026361 is an equidigital number, since it uses as much as digits as its factorization.

315550634026361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605663405562.

The product of its (nonzero) digits is 5832000, while the sum is 50.

The spelling of 315550634026361 in words is "three hundred fifteen trillion, five hundred fifty billion, six hundred thirty-four million, twenty-six thousand, three hundred sixty-one".