41550200561 has 2 divisors, whose sum is σ = 41550200562. Its totient is φ = 41550200560.

The previous prime is 41550200513. The next prime is 41550200567. The reversal of 41550200561 is 16500205514.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37566192400 + 3984008161 = 193820^2 + 63119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41550200561 is a prime.

It is not a weakly prime, because it can be changed into another prime (41550200567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20775100280 + 20775100281.

It is an arithmetic number, because the mean of its divisors is an integer number (20775100281).

Almost surely, 2^41550200561 is an apocalyptic number.

It is an amenable number.

41550200561 is a deficient number, since it is larger than the sum of its proper divisors (1).

41550200561 is an equidigital number, since it uses as much as digits as its factorization.

41550200561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 41550200561 in words is "forty-one billion, five hundred fifty million, two hundred thousand, five hundred sixty-one".