1313512523653 has 16 divisors (see below), whose sum is σ = 1508380027200. Its totient is φ = 1131224590080.

The previous prime is 1313512523633. The next prime is 1313512523663. The reversal of 1313512523653 is 3563252153131.

It is a de Polignac number, because none of the positive numbers 2^k-1313512523653 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 (1313512523623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11725375 + ... + 11836867.

It is an arithmetic number, because the mean of its divisors is an integer number (94273751700).

Almost surely, 2^{1313512523653} is an apocalyptic number.

It is an amenable number.

1313512523653 is a deficient number, since it is larger than the sum of its proper divisors (194867503547).

1313512523653 is a wasteful number, since it uses less digits than its factorization.

1313512523653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167892.

The product of its digits is 243000, while the sum is 40.

Adding to 1313512523653 its reverse (3563252153131), we get a palindrome (4876764676784).

The spelling of 1313512523653 in words is "one trillion, three hundred thirteen billion, five hundred twelve million, five hundred twenty-three thousand, six hundred fifty-three".