41531223541 has 2 divisors, whose sum is σ = 41531223542. Its totient is φ = 41531223540.

The previous prime is 41531223509. The next prime is 41531223641. The reversal of 41531223541 is 14532213514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41268297316 + 262926225 = 203146^2 + 16215^2 .

It is a cyclic number.

It is not a de Polignac number, because 41531223541 - 2⁵ = 41531223509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41531223641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20765611770 + 20765611771.

It is an arithmetic number, because the mean of its divisors is an integer number (20765611771).

Almost surely, 2^41531223541 is an apocalyptic number.

It is an amenable number.

41531223541 is a deficient number, since it is larger than the sum of its proper divisors (1).

41531223541 is an equidigital number, since it uses as much as digits as its factorization.

41531223541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The spelling of 41531223541 in words is "forty-one billion, five hundred thirty-one million, two hundred twenty-three thousand, five hundred forty-one".