13107143885217 has 4 divisors (see below), whose sum is σ = 17476191846960. Its totient is φ = 8738095923476.

The previous prime is 13107143885189. The next prime is 13107143885239. The reversal of 13107143885217 is 71258834170131.

It is a happy number.

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 13107143885217 - 2⁶ = 13107143885153 is a prime.

It is a super-2 number, since 2×13107143885217² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13107143885217.

It is not an unprimeable number, because it can be changed into a prime (13107143885257) 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, 2184523980867 + ... + 2184523980872.

It is an arithmetic number, because the mean of its divisors is an integer number (4369047961740).

Almost surely, 2^{13107143885217} is an apocalyptic number.

It is an amenable number.

13107143885217 is a deficient number, since it is larger than the sum of its proper divisors (4369047961743).

13107143885217 is an equidigital number, since it uses as much as digits as its factorization.

13107143885217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369047961742.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 13107143885217 in words is "thirteen trillion, one hundred seven billion, one hundred forty-three million, eight hundred eighty-five thousand, two hundred seventeen".