112355161 has 4 divisors (see below), whose sum is σ = 117240192. Its totient is φ = 107470132.

The previous prime is 112355149. The next prime is 112355167. The reversal of 112355161 is 161553211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161553211 = 37 ⋅4366303.

It is a cyclic number.

It is not a de Polignac number, because 112355161 - 2¹¹ = 112353113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112355167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2442481 + ... + 2442526.

It is an arithmetic number, because the mean of its divisors is an integer number (29310048).

Almost surely, 2^112355161 is an apocalyptic number.

It is an amenable number.

112355161 is a deficient number, since it is larger than the sum of its proper divisors (4885031).

112355161 is an equidigital number, since it uses as much as digits as its factorization.

112355161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4885030.

The product of its digits is 900, while the sum is 25.

The square root of 112355161 is about 10599.7717428254. The cubic root of 112355161 is about 482.5374321949.

The spelling of 112355161 in words is "one hundred twelve million, three hundred fifty-five thousand, one hundred sixty-one".