41515404360491 has 2 divisors, whose sum is σ = 41515404360492. Its totient is φ = 41515404360490.

The previous prime is 41515404360421. The next prime is 41515404360557. The reversal of 41515404360491 is 19406340451514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41515404360491 - 2¹⁰ = 41515404359467 is a prime.

It is a super-2 number, since 2×41515404360491² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (41515404360421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20757702180245 + 20757702180246.

It is an arithmetic number, because the mean of its divisors is an integer number (20757702180246).

Almost surely, 2^{41515404360491} is an apocalyptic number.

41515404360491 is a deficient number, since it is larger than the sum of its proper divisors (1).

41515404360491 is an equidigital number, since it uses as much as digits as its factorization.

41515404360491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 41515404360491 in words is "forty-one trillion, five hundred fifteen billion, four hundred four million, three hundred sixty thousand, four hundred ninety-one".