11751543247729 has 2 divisors, whose sum is σ = 11751543247730. Its totient is φ = 11751543247728.

The previous prime is 11751543247693. The next prime is 11751543247747. The reversal of 11751543247729 is 92774234515711.

11751543247729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5892974727025 + 5858568520704 = 2427545^2 + 2420448^2 .

It is a cyclic number.

It is not a de Polignac number, because 11751543247729 - 2⁷ = 11751543247601 is a prime.

It is not a weakly prime, because it can be changed into another prime (11751543247789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5875771623864 + 5875771623865.

It is an arithmetic number, because the mean of its divisors is an integer number (5875771623865).

Almost surely, 2^{11751543247729} is an apocalyptic number.

It is an amenable number.

11751543247729 is a deficient number, since it is larger than the sum of its proper divisors (1).

11751543247729 is an equidigital number, since it uses as much as digits as its factorization.

11751543247729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14817600, while the sum is 58.

The spelling of 11751543247729 in words is "eleven trillion, seven hundred fifty-one billion, five hundred forty-three million, two hundred forty-seven thousand, seven hundred twenty-nine".