11689696129 has 2 divisors, whose sum is σ = 11689696130. Its totient is φ = 11689696128.

The previous prime is 11689696093. The next prime is 11689696141. The reversal of 11689696129 is 92169698611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10537433104 + 1152263025 = 102652^2 + 33945^2 .

It is a cyclic number.

It is not a de Polignac number, because 11689696129 - 2¹³ = 11689687937 is a prime.

It is not a weakly prime, because it can be changed into another prime (11689696199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5844848064 + 5844848065.

It is an arithmetic number, because the mean of its divisors is an integer number (5844848065).

Almost surely, 2^11689696129 is an apocalyptic number.

It is an amenable number.

11689696129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11689696129 is an equidigital number, since it uses as much as digits as its factorization.

11689696129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 58.

The spelling of 11689696129 in words is "eleven billion, six hundred eighty-nine million, six hundred ninety-six thousand, one hundred twenty-nine".