44411202161 has 2 divisors, whose sum is σ = 44411202162. Its totient is φ = 44411202160.

The previous prime is 44411202137. The next prime is 44411202193. The reversal of 44411202161 is 16120211444.

44411202161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43014760000 + 1396442161 = 207400^2 + 37369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44411202161 is a prime.

It is a super-2 number, since 2×44411202161² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44411202161.

It is not a weakly prime, because it can be changed into another prime (44411202061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22205601080 + 22205601081.

It is an arithmetic number, because the mean of its divisors is an integer number (22205601081).

Almost surely, 2^44411202161 is an apocalyptic number.

It is an amenable number.

44411202161 is a deficient number, since it is larger than the sum of its proper divisors (1).

44411202161 is an equidigital number, since it uses as much as digits as its factorization.

44411202161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 26.

The spelling of 44411202161 in words is "forty-four billion, four hundred eleven million, two hundred two thousand, one hundred sixty-one".