110561161 has 8 divisors (see below), whose sum is σ = 115856640. Its totient is φ = 105306432.

The previous prime is 110561147. The next prime is 110561167. The reversal of 110561161 is 161165011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110561161 - 2⁹ = 110560649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110561167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4560 + ... + 15553.

It is an arithmetic number, because the mean of its divisors is an integer number (14482080).

Almost surely, 2^110561161 is an apocalyptic number.

It is an amenable number.

110561161 is a deficient number, since it is larger than the sum of its proper divisors (5295479).

110561161 is a wasteful number, since it uses less digits than its factorization.

110561161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20375.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 110561161 is about 10514.8067504829. The cubic root of 110561161 is about 479.9553792434.

The spelling of 110561161 in words is "one hundred ten million, five hundred sixty-one thousand, one hundred sixty-one".