41561645353205 has 32 divisors (see below), whose sum is σ = 53560516813056. Its totient is φ = 30884511297024.

The previous prime is 41561645353201. The next prime is 41561645353211. The reversal of 41561645353205 is 50235354616514.

It is not a de Polignac number, because 41561645353205 - 2² = 41561645353201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41561645353201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23435792 + ... + 25146761.

It is an arithmetic number, because the mean of its divisors is an integer number (1673766150408).

Almost surely, 2^{41561645353205} is an apocalyptic number.

It is an amenable number.

41561645353205 is a deficient number, since it is larger than the sum of its proper divisors (11998871459851).

41561645353205 is a wasteful number, since it uses less digits than its factorization.

41561645353205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48582797.

The product of its (nonzero) digits is 6480000, while the sum is 50.

Adding to 41561645353205 its reverse (50235354616514), we get a palindrome (91796999969719).

The spelling of 41561645353205 in words is "forty-one trillion, five hundred sixty-one billion, six hundred forty-five million, three hundred fifty-three thousand, two hundred five".