315551456522279 has 2 divisors, whose sum is σ = 315551456522280. Its totient is φ = 315551456522278.

The previous prime is 315551456522231. The next prime is 315551456522297. The reversal of 315551456522279 is 972225654155513.

Together with next prime (315551456522297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315551456522279 - 2¹² = 315551456518183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315551456524279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157775728261139 + 157775728261140.

It is an arithmetic number, because the mean of its divisors is an integer number (157775728261140).

Almost surely, 2^{315551456522279} is an apocalyptic number.

315551456522279 is a deficient number, since it is larger than the sum of its proper divisors (1).

315551456522279 is an equidigital number, since it uses as much as digits as its factorization.

315551456522279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400000, while the sum is 62.

The spelling of 315551456522279 in words is "three hundred fifteen trillion, five hundred fifty-one billion, four hundred fifty-six million, five hundred twenty-two thousand, two hundred seventy-nine".