104040441161 has 2 divisors, whose sum is σ = 104040441162. Its totient is φ = 104040441160.

The previous prime is 104040441107. The next prime is 104040441203. The reversal of 104040441161 is 161144040401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97309059136 + 6731382025 = 311944^2 + 82045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104040441161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104040441161.

It is not a weakly prime, because it can be changed into another prime (104040441101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52020220580 + 52020220581.

It is an arithmetic number, because the mean of its divisors is an integer number (52020220581).

Almost surely, 2^104040441161 is an apocalyptic number.

It is an amenable number.

104040441161 is a deficient number, since it is larger than the sum of its proper divisors (1).

104040441161 is an equidigital number, since it uses as much as digits as its factorization.

104040441161 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.

Adding to 104040441161 its reverse (161144040401), we get a palindrome (265184481562).

The spelling of 104040441161 in words is "one hundred four billion, forty million, four hundred forty-one thousand, one hundred sixty-one".