11665252535203 has 2 divisors, whose sum is σ = 11665252535204. Its totient is φ = 11665252535202.

The previous prime is 11665252535191. The next prime is 11665252535221. The reversal of 11665252535203 is 30253525256611.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11665252535203 is a prime.

It is not a weakly prime, because it can be changed into another prime (11665252535303) 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 as a sum of consecutive naturals, namely, 5832626267601 + 5832626267602.

It is an arithmetic number, because the mean of its divisors is an integer number (5832626267602).

Almost surely, 2^{11665252535203} is an apocalyptic number.

11665252535203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11665252535203 is an equidigital number, since it uses as much as digits as its factorization.

11665252535203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620000, while the sum is 46.

The spelling of 11665252535203 in words is "eleven trillion, six hundred sixty-five billion, two hundred fifty-two million, five hundred thirty-five thousand, two hundred three".