11685316316347 has 4 divisors (see below), whose sum is σ = 12088258258320. Its totient is φ = 11282374374376.

The previous prime is 11685316316327. The next prime is 11685316316383. The reversal of 11685316316347 is 74361361358611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11685316316347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11685316316327) 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, 201470970943 + ... + 201470971000.

It is an arithmetic number, because the mean of its divisors is an integer number (3022064564580).

Almost surely, 2^{11685316316347} is an apocalyptic number.

11685316316347 is a deficient number, since it is larger than the sum of its proper divisors (402941941973).

11685316316347 is an equidigital number, since it uses as much as digits as its factorization.

11685316316347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402941941972.

The product of its digits is 6531840, while the sum is 55.

The spelling of 11685316316347 in words is "eleven trillion, six hundred eighty-five billion, three hundred sixteen million, three hundred sixteen thousand, three hundred forty-seven".