110405161 has 2 divisors, whose sum is σ = 110405162. Its totient is φ = 110405160.

The previous prime is 110405153. The next prime is 110405173. The reversal of 110405161 is 161504011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108555561 + 1849600 = 10419^2 + 1360^2 .

It is a cyclic number.

It is not a de Polignac number, because 110405161 - 2³ = 110405153 is a prime.

It is not a weakly prime, because it can be changed into another prime (110405761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55202580 + 55202581.

It is an arithmetic number, because the mean of its divisors is an integer number (55202581).

Almost surely, 2^110405161 is an apocalyptic number.

It is an amenable number.

110405161 is a deficient number, since it is larger than the sum of its proper divisors (1).

110405161 is an equidigital number, since it uses as much as digits as its factorization.

110405161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 110405161 is about 10507.3860212709. The cubic root of 110405161 is about 479.7295365786.

Adding to 110405161 its reverse (161504011), we get a palindrome (271909172).

The spelling of 110405161 in words is "one hundred ten million, four hundred five thousand, one hundred sixty-one".