13585988031117 has 4 divisors (see below), whose sum is σ = 18114650708160. Its totient is φ = 9057325354076.

The previous prime is 13585988031073. The next prime is 13585988031127. The reversal of 13585988031117 is 71113088958531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13585988031117 - 2⁸ = 13585988030861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13585988031127) 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, 2264331338517 + ... + 2264331338522.

It is an arithmetic number, because the mean of its divisors is an integer number (4528662677040).

Almost surely, 2^{13585988031117} is an apocalyptic number.

It is an amenable number.

13585988031117 is a deficient number, since it is larger than the sum of its proper divisors (4528662677043).

13585988031117 is an equidigital number, since it uses as much as digits as its factorization.

13585988031117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528662677042.

The product of its (nonzero) digits is 7257600, while the sum is 60.

The spelling of 13585988031117 in words is "thirteen trillion, five hundred eighty-five billion, nine hundred eighty-eight million, thirty-one thousand, one hundred seventeen".