11726715356 has 12 divisors (see below), whose sum is σ = 20611368120. Its totient is φ = 5837753040.

The previous prime is 11726715349. The next prime is 11726715359. The reversal of 11726715356 is 65351762711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11726715359) by changing a digit.

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, 6400130 + ... + 6401961.

It is an arithmetic number, because the mean of its divisors is an integer number (1717614010).

Almost surely, 2^11726715356 is an apocalyptic number.

It is an amenable number.

11726715356 is a deficient number, since it is larger than the sum of its proper divisors (8884652764).

11726715356 is a wasteful number, since it uses less digits than its factorization.

11726715356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12802324 (or 12802322 counting only the distinct ones).

The product of its digits is 264600, while the sum is 44.

The spelling of 11726715356 in words is "eleven billion, seven hundred twenty-six million, seven hundred fifteen thousand, three hundred fifty-six".