41298125261 has 2 divisors, whose sum is σ = 41298125262. Its totient is φ = 41298125260.

The previous prime is 41298125257. The next prime is 41298125329. The reversal of 41298125261 is 16252189214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39844152100 + 1453973161 = 199610^2 + 38131^2 .

It is a cyclic number.

It is not a de Polignac number, because 41298125261 - 2² = 41298125257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41298125161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20649062630 + 20649062631.

It is an arithmetic number, because the mean of its divisors is an integer number (20649062631).

Almost surely, 2^41298125261 is an apocalyptic number.

It is an amenable number.

41298125261 is a deficient number, since it is larger than the sum of its proper divisors (1).

41298125261 is an equidigital number, since it uses as much as digits as its factorization.

41298125261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 41.

The spelling of 41298125261 in words is "forty-one billion, two hundred ninety-eight million, one hundred twenty-five thousand, two hundred sixty-one".