11737664794385 has 4 divisors (see below), whose sum is σ = 14085197753268. Its totient is φ = 9390131835504.

The previous prime is 11737664794357. The next prime is 11737664794423. The reversal of 11737664794385 is 58349746673711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8429336702224 + 3308328092161 = 2903332^2 + 1818881^2 .

It is a cyclic number.

It is not a de Polignac number, because 11737664794385 - 2⁸ = 11737664794129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1173766479434 + ... + 1173766479443.

It is an arithmetic number, because the mean of its divisors is an integer number (3521299438317).

Almost surely, 2^{11737664794385} is an apocalyptic number.

It is an amenable number.

11737664794385 is a deficient number, since it is larger than the sum of its proper divisors (2347532958883).

11737664794385 is an equidigital number, since it uses as much as digits as its factorization.

11737664794385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347532958882.

The product of its digits is 640120320, while the sum is 71.

The spelling of 11737664794385 in words is "eleven trillion, seven hundred thirty-seven billion, six hundred sixty-four million, seven hundred ninety-four thousand, three hundred eighty-five".