41775618061 has 2 divisors, whose sum is σ = 41775618062. Its totient is φ = 41775618060.

The previous prime is 41775618007. The next prime is 41775618097. The reversal of 41775618061 is 16081657714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38678695561 + 3096922500 = 196669^2 + 55650^2 .

It is a cyclic number.

It is not a de Polignac number, because 41775618061 - 2²⁹ = 41238747149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41775618961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20887809030 + 20887809031.

It is an arithmetic number, because the mean of its divisors is an integer number (20887809031).

Almost surely, 2^41775618061 is an apocalyptic number.

It is an amenable number.

41775618061 is a deficient number, since it is larger than the sum of its proper divisors (1).

41775618061 is an equidigital number, since it uses as much as digits as its factorization.

41775618061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 41775618061 in words is "forty-one billion, seven hundred seventy-five million, six hundred eighteen thousand, sixty-one".