41513263541 has 2 divisors, whose sum is σ = 41513263542. Its totient is φ = 41513263540.

The previous prime is 41513263531. The next prime is 41513263579. The reversal of 41513263541 is 14536231514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34800902500 + 6712361041 = 186550^2 + 81929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41513263541 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 (41513263501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20756631770 + 20756631771.

It is an arithmetic number, because the mean of its divisors is an integer number (20756631771).

Almost surely, 2^41513263541 is an apocalyptic number.

It is an amenable number.

41513263541 is a deficient number, since it is larger than the sum of its proper divisors (1).

41513263541 is an equidigital number, since it uses as much as digits as its factorization.

41513263541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The spelling of 41513263541 in words is "forty-one billion, five hundred thirteen million, two hundred sixty-three thousand, five hundred forty-one".