41105550561 has 4 divisors (see below), whose sum is σ = 54807400752. Its totient is φ = 27403700372.

The previous prime is 41105550559. The next prime is 41105550569. The reversal of 41105550561 is 16505550114.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41105550561 - 2¹ = 41105550559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41105550569) 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, 6850925091 + ... + 6850925096.

It is an arithmetic number, because the mean of its divisors is an integer number (13701850188).

Almost surely, 2^41105550561 is an apocalyptic number.

It is an amenable number.

41105550561 is a deficient number, since it is larger than the sum of its proper divisors (13701850191).

41105550561 is a wasteful number, since it uses less digits than its factorization.

41105550561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13701850190.

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 41105550561 in words is "forty-one billion, one hundred five million, five hundred fifty thousand, five hundred sixty-one".