1315289609687 has 6 divisors (see below), whose sum is σ = 1372481853768. Its totient is φ = 1258097843904.

The previous prime is 1315289609671. The next prime is 1315289609693. The reversal of 1315289609687 is 7869069825131.

It is not a de Polignac number, because 1315289609687 - 2⁴ = 1315289609671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315289609287) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5380583 + ... + 5619719.

It is an arithmetic number, because the mean of its divisors is an integer number (228746975628).

Almost surely, 2^{1315289609687} is an apocalyptic number.

1315289609687 is a deficient number, since it is larger than the sum of its proper divisors (57192244081).

1315289609687 is an frugal number, since it uses more digits than its factorization.

1315289609687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478297 (or 239160 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 65.

The spelling of 1315289609687 in words is "one trillion, three hundred fifteen billion, two hundred eighty-nine million, six hundred nine thousand, six hundred eighty-seven".