315514215426247 has 2 divisors, whose sum is σ = 315514215426248. Its totient is φ = 315514215426246.

The previous prime is 315514215426229. The next prime is 315514215426301. The reversal of 315514215426247 is 742624512415513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315514215426247 - 2¹⁵ = 315514215393479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315514215426194 and 315514215426203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315514215426647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157757107713123 + 157757107713124.

It is an arithmetic number, because the mean of its divisors is an integer number (157757107713124).

Almost surely, 2^{315514215426247} is an apocalyptic number.

315514215426247 is a deficient number, since it is larger than the sum of its proper divisors (1).

315514215426247 is an equidigital number, since it uses as much as digits as its factorization.

315514215426247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064000, while the sum is 52.

The spelling of 315514215426247 in words is "three hundred fifteen trillion, five hundred fourteen billion, two hundred fifteen million, four hundred twenty-six thousand, two hundred forty-seven".