281123958960001 has 2 divisors, whose sum is σ = 281123958960002. Its totient is φ = 281123958960000.

The previous prime is 281123958959947. The next prime is 281123958960007. The reversal of 281123958960001 is 100069859321182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276203658629376 + 4920300330625 = 16619376^2 + 2218175^2 .

It is a cyclic number.

It is not a de Polignac number, because 281123958960001 - 2¹¹ = 281123958957953 is a prime.

It is not a weakly prime, because it can be changed into another prime (281123958960007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140561979480000 + 140561979480001.

It is an arithmetic number, because the mean of its divisors is an integer number (140561979480001).

Almost surely, 2^{281123958960001} is an apocalyptic number.

It is an amenable number.

281123958960001 is a deficient number, since it is larger than the sum of its proper divisors (1).

281123958960001 is an equidigital number, since it uses as much as digits as its factorization.

281123958960001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 55.

The spelling of 281123958960001 in words is "two hundred eighty-one trillion, one hundred twenty-three billion, nine hundred fifty-eight million, nine hundred sixty thousand, one".