41523205541 has 4 divisors (see below), whose sum is σ = 41626755084. Its totient is φ = 41419656000.

The previous prime is 41523205531. The next prime is 41523205543. The reversal of 41523205541 is 14550232514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39503152516 + 2020053025 = 198754^2 + 44945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41523205541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 41523205498 and 41523205507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41523205543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51774170 + ... + 51774971.

It is an arithmetic number, because the mean of its divisors is an integer number (10406688771).

Almost surely, 2^41523205541 is an apocalyptic number.

It is an amenable number.

41523205541 is a deficient number, since it is larger than the sum of its proper divisors (103549543).

41523205541 is a wasteful number, since it uses less digits than its factorization.

41523205541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103549542.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 41523205541 in words is "forty-one billion, five hundred twenty-three million, two hundred five thousand, five hundred forty-one".