41516051221 has 2 divisors, whose sum is σ = 41516051222. Its totient is φ = 41516051220.

The previous prime is 41516051197. The next prime is 41516051273. The reversal of 41516051221 is 12215061514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41306091121 + 209960100 = 203239^2 + 14490^2 .

It is a cyclic number.

It is not a de Polignac number, because 41516051221 - 2²³ = 41507662613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41516051221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41516051321) 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, 20758025610 + 20758025611.

It is an arithmetic number, because the mean of its divisors is an integer number (20758025611).

Almost surely, 2^41516051221 is an apocalyptic number.

It is an amenable number.

41516051221 is a deficient number, since it is larger than the sum of its proper divisors (1).

41516051221 is an equidigital number, since it uses as much as digits as its factorization.

41516051221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 41516051221 in words is "forty-one billion, five hundred sixteen million, fifty-one thousand, two hundred twenty-one".