211146161297 has 2 divisors, whose sum is σ = 211146161298. Its totient is φ = 211146161296.

The previous prime is 211146161287. The next prime is 211146161311. The reversal of 211146161297 is 792161641112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160135228561 + 51010932736 = 400169^2 + 225856^2 .

It is a cyclic number.

It is not a de Polignac number, because 211146161297 - 2²⁸ = 210877725841 is a prime.

It is not a weakly prime, because it can be changed into another prime (211146161287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105573080648 + 105573080649.

It is an arithmetic number, because the mean of its divisors is an integer number (105573080649).

Almost surely, 2^211146161297 is an apocalyptic number.

It is an amenable number.

211146161297 is a deficient number, since it is larger than the sum of its proper divisors (1).

211146161297 is an equidigital number, since it uses as much as digits as its factorization.

211146161297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 41.

The spelling of 211146161297 in words is "two hundred eleven billion, one hundred forty-six million, one hundred sixty-one thousand, two hundred ninety-seven".