315551114646571 has 2 divisors, whose sum is σ = 315551114646572. Its totient is φ = 315551114646570.

The previous prime is 315551114646527. The next prime is 315551114646629. The reversal of 315551114646571 is 175646411155513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315551114646571 - 2¹³ = 315551114638379 is a prime.

It is not a weakly prime, because it can be changed into another prime (315551114646671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157775557323285 + 157775557323286.

It is an arithmetic number, because the mean of its divisors is an integer number (157775557323286).

Almost surely, 2^{315551114646571} is an apocalyptic number.

315551114646571 is a deficient number, since it is larger than the sum of its proper divisors (1).

315551114646571 is an equidigital number, since it uses as much as digits as its factorization.

315551114646571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560000, while the sum is 55.

The spelling of 315551114646571 in words is "three hundred fifteen trillion, five hundred fifty-one billion, one hundred fourteen million, six hundred forty-six thousand, five hundred seventy-one".