41522891261 has 2 divisors, whose sum is σ = 41522891262. Its totient is φ = 41522891260.

The previous prime is 41522891257. The next prime is 41522891281. The reversal of 41522891261 is 16219822514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41516100025 + 6791236 = 203755^2 + 2606^2 .

It is a cyclic number.

It is not a de Polignac number, because 41522891261 - 2² = 41522891257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41522891281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20761445630 + 20761445631.

It is an arithmetic number, because the mean of its divisors is an integer number (20761445631).

Almost surely, 2^41522891261 is an apocalyptic number.

It is an amenable number.

41522891261 is a deficient number, since it is larger than the sum of its proper divisors (1).

41522891261 is an equidigital number, since it uses as much as digits as its factorization.

41522891261 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 41522891261 in words is "forty-one billion, five hundred twenty-two million, eight hundred ninety-one thousand, two hundred sixty-one".