1315235625439 has 2 divisors, whose sum is σ = 1315235625440. Its totient is φ = 1315235625438.

The previous prime is 1315235625427. The next prime is 1315235625463. The reversal of 1315235625439 is 9345265325131.

It is a weak prime.

It is an emirp because it is prime and its reverse (9345265325131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1315235625439 - 2⁷ = 1315235625311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1315235625392 and 1315235625401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315235125439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657617812719 + 657617812720.

It is an arithmetic number, because the mean of its divisors is an integer number (657617812720).

Almost surely, 2^{1315235625439} is an apocalyptic number.

1315235625439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315235625439 is an equidigital number, since it uses as much as digits as its factorization.

1315235625439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916000, while the sum is 49.

The spelling of 1315235625439 in words is "one trillion, three hundred fifteen billion, two hundred thirty-five million, six hundred twenty-five thousand, four hundred thirty-nine".