13117811846401 has 4 divisors (see below), whose sum is σ = 13245169243072. Its totient is φ = 12990454449732.

The previous prime is 13117811846351. The next prime is 13117811846449. The reversal of 13117811846401 is 10464811871131.

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 13117811846401 - 2²⁷ = 13117677628673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13117811846701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63678698181 + ... + 63678698386.

It is an arithmetic number, because the mean of its divisors is an integer number (3311292310768).

Almost surely, 2^{13117811846401} is an apocalyptic number.

It is an amenable number.

13117811846401 is a deficient number, since it is larger than the sum of its proper divisors (127357396671).

13117811846401 is a wasteful number, since it uses less digits than its factorization.

13117811846401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127357396670.

The product of its (nonzero) digits is 129024, while the sum is 46.

The spelling of 13117811846401 in words is "thirteen trillion, one hundred seventeen billion, eight hundred eleven million, eight hundred forty-six thousand, four hundred one".