11170205129 has 2 divisors, whose sum is σ = 11170205130. Its totient is φ = 11170205128.

The previous prime is 11170205083. The next prime is 11170205183. The reversal of 11170205129 is 92150207111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9077325625 + 2092879504 = 95275^2 + 45748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11170205129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11170205029) 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, 5585102564 + 5585102565.

It is an arithmetic number, because the mean of its divisors is an integer number (5585102565).

Almost surely, 2^11170205129 is an apocalyptic number.

It is an amenable number.

11170205129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11170205129 is an equidigital number, since it uses as much as digits as its factorization.

11170205129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 29.

The spelling of 11170205129 in words is "eleven billion, one hundred seventy million, two hundred five thousand, one hundred twenty-nine".