1313556565507 has 8 divisors (see below), whose sum is σ = 1359065701440. Its totient is φ = 1268061701760.

The previous prime is 1313556565469. The next prime is 1313556565523. The reversal of 1313556565507 is 7055656553131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313556565507 - 2⁷ = 1313556565379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313556565567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3380619 + ... + 3749092.

It is an arithmetic number, because the mean of its divisors is an integer number (169883212680).

Almost surely, 2^{1313556565507} is an apocalyptic number.

1313556565507 is a deficient number, since it is larger than the sum of its proper divisors (45509135933).

1313556565507 is an equidigital number, since it uses as much as digits as its factorization.

1313556565507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136093.

The product of its (nonzero) digits is 7087500, while the sum is 52.

The spelling of 1313556565507 in words is "one trillion, three hundred thirteen billion, five hundred fifty-six million, five hundred sixty-five thousand, five hundred seven".