1315443401527 has 2 divisors, whose sum is σ = 1315443401528. Its totient is φ = 1315443401526.

The previous prime is 1315443401449. The next prime is 1315443401539. The reversal of 1315443401527 is 7251043445131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1315443401527 - 2⁷ = 1315443401399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315443401527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315443431527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657721700763 + 657721700764.

It is an arithmetic number, because the mean of its divisors is an integer number (657721700764).

Almost surely, 2^{1315443401527} is an apocalyptic number.

1315443401527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315443401527 is an equidigital number, since it uses as much as digits as its factorization.

1315443401527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

Adding to 1315443401527 its reverse (7251043445131), we get a palindrome (8566486846658).

The spelling of 1315443401527 in words is "one trillion, three hundred fifteen billion, four hundred forty-three million, four hundred one thousand, five hundred twenty-seven".