12536074513617 has 8 divisors (see below), whose sum is σ = 16748808313440. Its totient is φ = 8340361861440.

The previous prime is 12536074513549. The next prime is 12536074513663. The reversal of 12536074513617 is 71631547063521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12536074513617 - 2⁷ = 12536074513489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12536074513617.

It is not an unprimeable number, because it can be changed into a prime (12536074513817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4255285192 + ... + 4255288137.

It is an arithmetic number, because the mean of its divisors is an integer number (2093601039180).

Almost surely, 2^{12536074513617} is an apocalyptic number.

It is an amenable number.

12536074513617 is a deficient number, since it is larger than the sum of its proper divisors (4212733799823).

12536074513617 is an equidigital number, since it uses as much as digits as its factorization.

12536074513617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8510573823.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 12536074513617 in words is "twelve trillion, five hundred thirty-six billion, seventy-four million, five hundred thirteen thousand, six hundred seventeen".