41103071561 has 4 divisors (see below), whose sum is σ = 41103690192. Its totient is φ = 41102452932.

The previous prime is 41103071543. The next prime is 41103071573. The reversal of 41103071561 is 16517030114.

It is a happy number.

41103071561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 41103071561 - 2¹⁴ = 41103055177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41103071531) 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, 195755 + ... + 347168.

It is an arithmetic number, because the mean of its divisors is an integer number (10275922548).

Almost surely, 2^41103071561 is an apocalyptic number.

It is an amenable number.

41103071561 is a deficient number, since it is larger than the sum of its proper divisors (618631).

41103071561 is an equidigital number, since it uses as much as digits as its factorization.

41103071561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618630.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 41103071561 in words is "forty-one billion, one hundred three million, seventy-one thousand, five hundred sixty-one".