315245399091587 has 2 divisors, whose sum is σ = 315245399091588. Its totient is φ = 315245399091586.

The previous prime is 315245399091583. The next prime is 315245399091631. The reversal of 315245399091587 is 785190993542513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315245399091587 - 2² = 315245399091583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315245399091587.

It is not a weakly prime, because it can be changed into another prime (315245399091583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157622699545793 + 157622699545794.

It is an arithmetic number, because the mean of its divisors is an integer number (157622699545794).

Almost surely, 2^{315245399091587} is an apocalyptic number.

315245399091587 is a deficient number, since it is larger than the sum of its proper divisors (1).

315245399091587 is an equidigital number, since it uses as much as digits as its factorization.

315245399091587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416000, while the sum is 71.

The spelling of 315245399091587 in words is "three hundred fifteen trillion, two hundred forty-five billion, three hundred ninety-nine million, ninety-one thousand, five hundred eighty-seven".