11766424517 has 2 divisors, whose sum is σ = 11766424518. Its totient is φ = 11766424516.

The previous prime is 11766424469. The next prime is 11766424529. The reversal of 11766424517 is 71542466711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11259544321 + 506880196 = 106111^2 + 22514^2 .

It is an emirp because it is prime and its reverse (71542466711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11766424517 - 2²² = 11762230213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11766424567) 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, 5883212258 + 5883212259.

It is an arithmetic number, because the mean of its divisors is an integer number (5883212259).

Almost surely, 2^11766424517 is an apocalyptic number.

It is an amenable number.

11766424517 is a deficient number, since it is larger than the sum of its proper divisors (1).

11766424517 is an equidigital number, since it uses as much as digits as its factorization.

11766424517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 44.

The spelling of 11766424517 in words is "eleven billion, seven hundred sixty-six million, four hundred twenty-four thousand, five hundred seventeen".