41256485539 has 2 divisors, whose sum is σ = 41256485540. Its totient is φ = 41256485538.

The previous prime is 41256485533. The next prime is 41256485597. The reversal of 41256485539 is 93558465214.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41256485539 - 2¹¹ = 41256483491 is a prime.

It is a super-2 number, since 2×41256485539² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41256485533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20628242769 + 20628242770.

It is an arithmetic number, because the mean of its divisors is an integer number (20628242770).

Almost surely, 2^41256485539 is an apocalyptic number.

41256485539 is a deficient number, since it is larger than the sum of its proper divisors (1).

41256485539 is an equidigital number, since it uses as much as digits as its factorization.

41256485539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184000, while the sum is 52.

The spelling of 41256485539 in words is "forty-one billion, two hundred fifty-six million, four hundred eighty-five thousand, five hundred thirty-nine".