211131169112573 has 2 divisors, whose sum is σ = 211131169112574. Its totient is φ = 211131169112572.

The previous prime is 211131169112491. The next prime is 211131169112609. The reversal of 211131169112573 is 375211961131112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189714756595204 + 21416412517369 = 13773698^2 + 4627787^2 .

It is a cyclic number.

It is not a de Polignac number, because 211131169112573 - 2¹⁰ = 211131169111549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211131169012573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105565584556286 + 105565584556287.

It is an arithmetic number, because the mean of its divisors is an integer number (105565584556287).

Almost surely, 2^{211131169112573} is an apocalyptic number.

It is an amenable number.

211131169112573 is a deficient number, since it is larger than the sum of its proper divisors (1).

211131169112573 is an equidigital number, since it uses as much as digits as its factorization.

211131169112573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 44.

The spelling of 211131169112573 in words is "two hundred eleven trillion, one hundred thirty-one billion, one hundred sixty-nine million, one hundred twelve thousand, five hundred seventy-three".