13132111613 has 4 divisors (see below), whose sum is σ = 13137871068. Its totient is φ = 13126352160.

The previous prime is 13132111589. The next prime is 13132111621. The reversal of 13132111613 is 31611123131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7471354969 + 5660756644 = 86437^2 + 75238^2 .

It is a cyclic number.

It is not a de Polignac number, because 13132111613 - 2¹² = 13132107517 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 (13132161613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2876306 + ... + 2880867.

It is an arithmetic number, because the mean of its divisors is an integer number (3284467767).

Almost surely, 2^13132111613 is an apocalyptic number.

It is an amenable number.

13132111613 is a deficient number, since it is larger than the sum of its proper divisors (5759455).

13132111613 is an equidigital number, since it uses as much as digits as its factorization.

13132111613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759454.

The product of its digits is 324, while the sum is 23.

Adding to 13132111613 its reverse (31611123131), we get a palindrome (44743234744).

The spelling of 13132111613 in words is "thirteen billion, one hundred thirty-two million, one hundred eleven thousand, six hundred thirteen".