11965742481733 has 2 divisors, whose sum is σ = 11965742481734. Its totient is φ = 11965742481732.

The previous prime is 11965742481709. The next prime is 11965742481757. The reversal of 11965742481733 is 33718424756911.

11965742481733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11965742481709) and next prime (11965742481757).

It can be written as a sum of positive squares in only one way, i.e., 6656229721089 + 5309512760644 = 2579967^2 + 2304238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11965742481733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11965742481773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5982871240866 + 5982871240867.

It is an arithmetic number, because the mean of its divisors is an integer number (5982871240867).

Almost surely, 2^{11965742481733} is an apocalyptic number.

It is an amenable number.

11965742481733 is a deficient number, since it is larger than the sum of its proper divisors (1).

11965742481733 is an equidigital number, since it uses as much as digits as its factorization.

11965742481733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 61.

The spelling of 11965742481733 in words is "eleven trillion, nine hundred sixty-five billion, seven hundred forty-two million, four hundred eighty-one thousand, seven hundred thirty-three".