112171155 has 16 divisors (see below), whose sum is σ = 188920320. Its totient is φ = 56675808.

The previous prime is 112171153. The next prime is 112171177. The reversal of 112171155 is 551171211.

It is not a de Polignac number, because 112171155 - 2¹ = 112171153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112171153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196507 + ... + 197076.

It is an arithmetic number, because the mean of its divisors is an integer number (11807520).

Almost surely, 2^112171155 is an apocalyptic number.

112171155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

112171155 is a deficient number, since it is larger than the sum of its proper divisors (76749165).

112171155 is a wasteful number, since it uses less digits than its factorization.

112171155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393610.

The product of its digits is 350, while the sum is 24.

The square root of 112171155 is about 10591.0884709741. The cubic root of 112171155 is about 482.2738682815.

The spelling of 112171155 in words is "one hundred twelve million, one hundred seventy-one thousand, one hundred fifty-five".