281146818101 has 2 divisors, whose sum is σ = 281146818102. Its totient is φ = 281146818100.

The previous prime is 281146818059. The next prime is 281146818103. The reversal of 281146818101 is 101818641182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154802115601 + 126344702500 = 393449^2 + 355450^2 .

It is a cyclic number.

It is not a de Polignac number, because 281146818101 - 2⁶ = 281146818037 is a prime.

Together with 281146818103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (281146818103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140573409050 + 140573409051.

It is an arithmetic number, because the mean of its divisors is an integer number (140573409051).

Almost surely, 2^281146818101 is an apocalyptic number.

It is an amenable number.

281146818101 is a deficient number, since it is larger than the sum of its proper divisors (1).

281146818101 is an equidigital number, since it uses as much as digits as its factorization.

281146818101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 41.

The spelling of 281146818101 in words is "two hundred eighty-one billion, one hundred forty-six million, eight hundred eighteen thousand, one hundred one".