13617136791247 has 24 divisors (see below), whose sum is σ = 15501690223056. Its totient is φ = 11861272080000.

The previous prime is 13617136791241. The next prime is 13617136791281. The reversal of 13617136791247 is 74219763171631.

It is not a de Polignac number, because 13617136791247 - 2⁷ = 13617136791119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13617136791191 and 13617136791200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13617136791241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5309358 + ... + 7444699.

It is an arithmetic number, because the mean of its divisors is an integer number (645903759294).

Almost surely, 2^{13617136791247} is an apocalyptic number.

13617136791247 is a deficient number, since it is larger than the sum of its proper divisors (1884553431809).

13617136791247 is a wasteful number, since it uses less digits than its factorization.

13617136791247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12754231 (or 12754200 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 58.

The spelling of 13617136791247 in words is "thirteen trillion, six hundred seventeen billion, one hundred thirty-six million, seven hundred ninety-one thousand, two hundred forty-seven".