1325163113613 has 32 divisors (see below), whose sum is σ = 2079156211200. Its totient is φ = 831287305728.

The previous prime is 1325163113569. The next prime is 1325163113621. The reversal of 1325163113613 is 3163113615231.

1325163113613 is a `hidden beast` number, since 1 + 3 + 2 + 5 + 1 + 6 + 31 + 1 + 3 + 613 = 666.

It is not a de Polignac number, because 1325163113613 - 2¹⁸ = 1325162851469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325163113623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1725073 + ... + 2371961.

It is an arithmetic number, because the mean of its divisors is an integer number (64973631600).

Almost surely, 2^{1325163113613} is an apocalyptic number.

It is an amenable number.

1325163113613 is a deficient number, since it is larger than the sum of its proper divisors (753993097587).

1325163113613 is a wasteful number, since it uses less digits than its factorization.

1325163113613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651378 (or 651372 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

Adding to 1325163113613 its reverse (3163113615231), we get a palindrome (4488276728844).

The spelling of 1325163113613 in words is "one trillion, three hundred twenty-five billion, one hundred sixty-three million, one hundred thirteen thousand, six hundred thirteen".