11966704524989 has 2 divisors, whose sum is σ = 11966704524990. Its totient is φ = 11966704524988.

The previous prime is 11966704524959. The next prime is 11966704525033. The reversal of 11966704524989 is 98942540766911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11965476583225 + 1227941764 = 3459115^2 + 35042^2 .

It is a cyclic number.

It is not a de Polignac number, because 11966704524989 - 2³⁶ = 11897985048253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11966704524959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5983352262494 + 5983352262495.

It is an arithmetic number, because the mean of its divisors is an integer number (5983352262495).

Almost surely, 2^{11966704524989} is an apocalyptic number.

It is an amenable number.

11966704524989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11966704524989 is an equidigital number, since it uses as much as digits as its factorization.

11966704524989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235146240, while the sum is 71.

The spelling of 11966704524989 in words is "eleven trillion, nine hundred sixty-six billion, seven hundred four million, five hundred twenty-four thousand, nine hundred eighty-nine".