11001311129 has 2 divisors, whose sum is σ = 11001311130. Its totient is φ = 11001311128.

The previous prime is 11001311081. The next prime is 11001311161. The reversal of 11001311129 is 92111310011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6795529225 + 4205781904 = 82435^2 + 64852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001311129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11001311129.

It is not a weakly prime, because it can be changed into another prime (11001311179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500655564 + 5500655565.

It is an arithmetic number, because the mean of its divisors is an integer number (5500655565).

Almost surely, 2^11001311129 is an apocalyptic number.

It is an amenable number.

11001311129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001311129 is an equidigital number, since it uses as much as digits as its factorization.

11001311129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 11001311129 in words is "eleven billion, one million, three hundred eleven thousand, one hundred twenty-nine".