41405515531 has 2 divisors, whose sum is σ = 41405515532. Its totient is φ = 41405515530.

The previous prime is 41405515511. The next prime is 41405515577. The reversal of 41405515531 is 13551550414.

41405515531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41405515531 - 2³³ = 32815580939 is a prime.

It is a super-2 number, since 2×41405515531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41405515511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20702757765 + 20702757766.

It is an arithmetic number, because the mean of its divisors is an integer number (20702757766).

Almost surely, 2^41405515531 is an apocalyptic number.

41405515531 is a deficient number, since it is larger than the sum of its proper divisors (1).

41405515531 is an equidigital number, since it uses as much as digits as its factorization.

41405515531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 41405515531 in words is "forty-one billion, four hundred five million, five hundred fifteen thousand, five hundred thirty-one".