1313553005663 has 8 divisors (see below), whose sum is σ = 1314173754432. Its totient is φ = 1312932352896.

The previous prime is 1313553005651. The next prime is 1313553005707. The reversal of 1313553005663 is 3665003553131.

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 1313553005663 - 2⁶ = 1313553005599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313553005663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313553005363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49937531 + ... + 49963827.

It is an arithmetic number, because the mean of its divisors is an integer number (164271719304).

Almost surely, 2^{1313553005663} is an apocalyptic number.

1313553005663 is a deficient number, since it is larger than the sum of its proper divisors (620748769).

1313553005663 is a wasteful number, since it uses less digits than its factorization.

1313553005663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48001.

The product of its (nonzero) digits is 364500, while the sum is 41.

Adding to 1313553005663 its reverse (3665003553131), we get a palindrome (4978556558794).

The spelling of 1313553005663 in words is "one trillion, three hundred thirteen billion, five hundred fifty-three million, five thousand, six hundred sixty-three".