41513503181 has 2 divisors, whose sum is σ = 41513503182. Its totient is φ = 41513503180.

The previous prime is 41513503169. The next prime is 41513503189. The reversal of 41513503181 is 18130531514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39786685156 + 1726818025 = 199466^2 + 41555^2 .

It is a cyclic number.

It is not a de Polignac number, because 41513503181 - 2³⁴ = 24333633997 is a prime.

It is a super-2 number, since 2×41513503181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41513503189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20756751590 + 20756751591.

It is an arithmetic number, because the mean of its divisors is an integer number (20756751591).

Almost surely, 2^41513503181 is an apocalyptic number.

It is an amenable number.

41513503181 is a deficient number, since it is larger than the sum of its proper divisors (1).

41513503181 is an equidigital number, since it uses as much as digits as its factorization.

41513503181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 41513503181 in words is "forty-one billion, five hundred thirteen million, five hundred three thousand, one hundred eighty-one".