44106515865161 has 2 divisors, whose sum is σ = 44106515865162. Its totient is φ = 44106515865160.

The previous prime is 44106515865127. The next prime is 44106515865163. The reversal of 44106515865161 is 16156851560144.

44106515865161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24985442119936 + 19121073745225 = 4998544^2 + 4372765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44106515865161 is a prime.

It is a Sophie Germain prime.

Together with 44106515865163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (44106515865163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22053257932580 + 22053257932581.

It is an arithmetic number, because the mean of its divisors is an integer number (22053257932581).

Almost surely, 2^{44106515865161} is an apocalyptic number.

It is an amenable number.

44106515865161 is a deficient number, since it is larger than the sum of its proper divisors (1).

44106515865161 is an equidigital number, since it uses as much as digits as its factorization.

44106515865161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456000, while the sum is 53.

The spelling of 44106515865161 in words is "forty-four trillion, one hundred six billion, five hundred fifteen million, eight hundred sixty-five thousand, one hundred sixty-one".