10881543454289 has 2 divisors, whose sum is σ = 10881543454290. Its totient is φ = 10881543454288.

The previous prime is 10881543454283. The next prime is 10881543454351. The reversal of 10881543454289 is 98245434518801.

It is a happy number.

It is an a-pointer prime, because the next prime (10881543454351) can be obtained adding 10881543454289 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10416272130625 + 465271323664 = 3227425^2 + 682108^2 .

It is a cyclic number.

It is not a de Polignac number, because 10881543454289 - 2¹⁶ = 10881543388753 is a prime.

It is not a weakly prime, because it can be changed into another prime (10881543454283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5440771727144 + 5440771727145.

It is an arithmetic number, because the mean of its divisors is an integer number (5440771727145).

Almost surely, 2^{10881543454289} is an apocalyptic number.

It is an amenable number.

10881543454289 is a deficient number, since it is larger than the sum of its proper divisors (1).

10881543454289 is an equidigital number, since it uses as much as digits as its factorization.

10881543454289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44236800, while the sum is 62.

The spelling of 10881543454289 in words is "ten trillion, eight hundred eighty-one billion, five hundred forty-three million, four hundred fifty-four thousand, two hundred eighty-nine".