11836252643 has 2 divisors, whose sum is σ = 11836252644. Its totient is φ = 11836252642.

The previous prime is 11836252633. The next prime is 11836252691. The reversal of 11836252643 is 34625263811.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11836252643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11836252643.

It is not a weakly prime, because it can be changed into another prime (11836252633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5918126321 + 5918126322.

It is an arithmetic number, because the mean of its divisors is an integer number (5918126322).

Almost surely, 2^11836252643 is an apocalyptic number.

11836252643 is a deficient number, since it is larger than the sum of its proper divisors (1).

11836252643 is an equidigital number, since it uses as much as digits as its factorization.

11836252643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The spelling of 11836252643 in words is "eleven billion, eight hundred thirty-six million, two hundred fifty-two thousand, six hundred forty-three".