113057161 has 6 divisors (see below), whose sum is σ = 131515530. Its totient is φ = 96906096.

The previous prime is 113057159. The next prime is 113057183. The reversal of 113057161 is 161750311.

It can be written as a sum of positive squares in only one way, i.e., 109077136 + 3980025 = 10444^2 + 1995^2 .

It is not a de Polignac number, because 113057161 - 2¹ = 113057159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113057101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1153596 + ... + 1153693.

It is an arithmetic number, because the mean of its divisors is an integer number (21919255).

Almost surely, 2^113057161 is an apocalyptic number.

It is an amenable number.

113057161 is a deficient number, since it is larger than the sum of its proper divisors (18458369).

113057161 is an equidigital number, since it uses as much as digits as its factorization.

113057161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307303 (or 2307296 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 113057161 is about 10632.8341000883. The cubic root of 113057161 is about 483.5403181117.

The spelling of 113057161 in words is "one hundred thirteen million, fifty-seven thousand, one hundred sixty-one".