41105241581 has 2 divisors, whose sum is σ = 41105241582. Its totient is φ = 41105241580.

The previous prime is 41105241479. The next prime is 41105241589. The reversal of 41105241581 is 18514250114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41083236100 + 22005481 = 202690^2 + 4691^2 .

It is a cyclic number.

It is not a de Polignac number, because 41105241581 - 2²⁶ = 41038132717 is a prime.

It is a super-2 number, since 2×41105241581² (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 (41105241589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20552620790 + 20552620791.

It is an arithmetic number, because the mean of its divisors is an integer number (20552620791).

Almost surely, 2^41105241581 is an apocalyptic number.

It is an amenable number.

41105241581 is a deficient number, since it is larger than the sum of its proper divisors (1).

41105241581 is an equidigital number, since it uses as much as digits as its factorization.

41105241581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 32.

Adding to 41105241581 its reverse (18514250114), we get a palindrome (59619491695).

The spelling of 41105241581 in words is "forty-one billion, one hundred five million, two hundred forty-one thousand, five hundred eighty-one".