11331129905171 has 2 divisors, whose sum is σ = 11331129905172. Its totient is φ = 11331129905170.

The previous prime is 11331129905153. The next prime is 11331129905189. The reversal of 11331129905171 is 17150992113311.

It is a balanced prime because it is at equal distance from previous prime (11331129905153) and next prime (11331129905189).

It is a cyclic number.

It is not a de Polignac number, because 11331129905171 - 2³⁰ = 11330056163347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11331129905111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665564952585 + 5665564952586.

It is an arithmetic number, because the mean of its divisors is an integer number (5665564952586).

Almost surely, 2^{11331129905171} is an apocalyptic number.

11331129905171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331129905171 is an equidigital number, since it uses as much as digits as its factorization.

11331129905171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 44.

The spelling of 11331129905171 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-nine million, nine hundred five thousand, one hundred seventy-one".