11726644123652 has 12 divisors (see below), whose sum is σ = 20606779198236. Its totient is φ = 5838992924160.

The previous prime is 11726644123603. The next prime is 11726644123699. The reversal of 11726644123652 is 25632144662711.

It can be written as a sum of positive squares in 2 ways, for example, as 3548039373376 + 8178604750276 = 1883624^2 + 2859826^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11726644123652.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6082283333 + ... + 6082285260.

It is an arithmetic number, because the mean of its divisors is an integer number (1717231599853).

Almost surely, 2^{11726644123652} is an apocalyptic number.

It is an amenable number.

11726644123652 is a deficient number, since it is larger than the sum of its proper divisors (8880135074584).

11726644123652 is a wasteful number, since it uses less digits than its factorization.

11726644123652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12164568838 (or 12164568836 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The spelling of 11726644123652 in words is "eleven trillion, seven hundred twenty-six billion, six hundred forty-four million, one hundred twenty-three thousand, six hundred fifty-two".