281479271678911 has 2 divisors, whose sum is σ = 281479271678912. Its totient is φ = 281479271678910.

The previous prime is 281479271678897. The next prime is 281479271678921. The reversal of 281479271678911 is 119876172974182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 281479271678911 - 2¹³ = 281479271670719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (281479271678921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140739635839455 + 140739635839456.

It is an arithmetic number, because the mean of its divisors is an integer number (140739635839456).

Almost surely, 2^{281479271678911} is an apocalyptic number.

281479271678911 is a deficient number, since it is larger than the sum of its proper divisors (1).

281479271678911 is an equidigital number, since it uses as much as digits as its factorization.

281479271678911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170698752, while the sum is 73.

The spelling of 281479271678911 in words is "two hundred eighty-one trillion, four hundred seventy-nine billion, two hundred seventy-one million, six hundred seventy-eight thousand, nine hundred eleven".