41661555305 has 4 divisors (see below), whose sum is σ = 49993866372. Its totient is φ = 33329244240.

The previous prime is 41661555277. The next prime is 41661555311. The reversal of 41661555305 is 50355516614.

41661555305 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.

It can be written as a sum of positive squares in 2 ways, for example, as 9750377536 + 31911177769 = 98744^2 + 178637^2 .

It is not a de Polignac number, because 41661555305 - 2¹⁶ = 41661489769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4166155526 + ... + 4166155535.

It is an arithmetic number, because the mean of its divisors is an integer number (12498466593).

Almost surely, 2^41661555305 is an apocalyptic number.

It is an amenable number.

41661555305 is a deficient number, since it is larger than the sum of its proper divisors (8332311067).

41661555305 is an equidigital number, since it uses as much as digits as its factorization.

41661555305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8332311066.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 41661555305 in words is "forty-one billion, six hundred sixty-one million, five hundred fifty-five thousand, three hundred five".