11643253516246 has 24 divisors (see below), whose sum is σ = 19466596128456. Its totient is φ = 5179783941120.

The previous prime is 11643253516231. The next prime is 11643253516247. The reversal of 11643253516246 is 64261535234611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11643253516246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11643253516247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119742891 + ... + 119840086.

It is an arithmetic number, because the mean of its divisors is an integer number (811108172019).

Almost surely, 2^{11643253516246} is an apocalyptic number.

11643253516246 is a deficient number, since it is larger than the sum of its proper divisors (7823342612210).

11643253516246 is a wasteful number, since it uses less digits than its factorization.

11643253516246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239583084 (or 239583037 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The spelling of 11643253516246 in words is "eleven trillion, six hundred forty-three billion, two hundred fifty-three million, five hundred sixteen thousand, two hundred forty-six".