11713766513 has 16 divisors (see below), whose sum is σ = 13068601920. Its totient is φ = 10434064896.

The previous prime is 11713766503. The next prime is 11713766521. The reversal of 11713766513 is 31566731711.

11713766513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11713766513 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11713766503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316106 + ... + 351212.

It is an arithmetic number, because the mean of its divisors is an integer number (816787620).

Almost surely, 2^11713766513 is an apocalyptic number.

It is an amenable number.

11713766513 is a deficient number, since it is larger than the sum of its proper divisors (1354835407).

11713766513 is a wasteful number, since it uses less digits than its factorization.

11713766513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36176.

The product of its digits is 79380, while the sum is 41.

The spelling of 11713766513 in words is "eleven billion, seven hundred thirteen million, seven hundred sixty-six thousand, five hundred thirteen".