112185185211 has 36 divisors (see below), whose sum is σ = 180117330120. Its totient is φ = 67227019200.

The previous prime is 112185185143. The next prime is 112185185219. The reversal of 112185185211 is 112581581211.

It is a happy number.

112185185211 is a `hidden beast` number, since 1 + 121 + 8 + 5 + 1 + 8 + 521 + 1 = 666.

It is not a de Polignac number, because 112185185211 - 2²² = 112180990907 is a prime.

It is a super-2 number, since 2×112185185211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112185185219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 481825 + ... + 675666.

It is an arithmetic number, because the mean of its divisors is an integer number (5003259170).

Almost surely, 2^112185185211 is an apocalyptic number.

112185185211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112185185211 is a deficient number, since it is larger than the sum of its proper divisors (67932144909).

112185185211 is a wasteful number, since it uses less digits than its factorization.

112185185211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157608 (or 1157594 counting only the distinct ones).

The product of its digits is 6400, while the sum is 36.

The spelling of 112185185211 in words is "one hundred twelve billion, one hundred eighty-five million, one hundred eighty-five thousand, two hundred eleven".