315247546575079 has 2 divisors, whose sum is σ = 315247546575080. Its totient is φ = 315247546575078.

The previous prime is 315247546575043. The next prime is 315247546575223. The reversal of 315247546575079 is 970575645742513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315247546575079 - 2²¹ = 315247544477927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315247546574999 and 315247546575017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315247546575029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157623773287539 + 157623773287540.

It is an arithmetic number, because the mean of its divisors is an integer number (157623773287540).

Almost surely, 2^{315247546575079} is an apocalyptic number.

315247546575079 is a deficient number, since it is larger than the sum of its proper divisors (1).

315247546575079 is an equidigital number, since it uses as much as digits as its factorization.

315247546575079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1111320000, while the sum is 70.

The spelling of 315247546575079 in words is "three hundred fifteen trillion, two hundred forty-seven billion, five hundred forty-six million, five hundred seventy-five thousand, seventy-nine".