11011111001129 has 2 divisors, whose sum is σ = 11011111001130. Its totient is φ = 11011111001128.

The previous prime is 11011111001089. The next prime is 11011111001141. The reversal of 11011111001129 is 92110011111011.

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., 9674712576400 + 1336398424729 = 3110420^2 + 1156027^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011111001129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11011111001129.

It is not a weakly prime, because it can be changed into another prime (11011111000129) 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, 5505555500564 + 5505555500565.

It is an arithmetic number, because the mean of its divisors is an integer number (5505555500565).

Almost surely, 2^{11011111001129} is an apocalyptic number.

It is an amenable number.

11011111001129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011111001129 is an equidigital number, since it uses as much as digits as its factorization.

11011111001129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 20.

The spelling of 11011111001129 in words is "eleven trillion, eleven billion, one hundred eleven million, one thousand, one hundred twenty-nine".