42882176528561 has 2 divisors, whose sum is σ = 42882176528562. Its totient is φ = 42882176528560.

The previous prime is 42882176528491. The next prime is 42882176528599. The reversal of 42882176528561 is 16582567128824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35802750931600 + 7079425596961 = 5983540^2 + 2660719^2 .

It is a cyclic number.

It is not a de Polignac number, because 42882176528561 - 2³⁴ = 42864996659377 is a prime.

It is not a weakly prime, because it can be changed into another prime (42882176528861) 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, 21441088264280 + 21441088264281.

It is an arithmetic number, because the mean of its divisors is an integer number (21441088264281).

Almost surely, 2^{42882176528561} is an apocalyptic number.

It is an amenable number.

42882176528561 is a deficient number, since it is larger than the sum of its proper divisors (1).

42882176528561 is an equidigital number, since it uses as much as digits as its factorization.

42882176528561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103219200, while the sum is 65.

The spelling of 42882176528561 in words is "forty-two trillion, eight hundred eighty-two billion, one hundred seventy-six million, five hundred twenty-eight thousand, five hundred sixty-one".