111806148 has 12 divisors (see below), whose sum is σ = 260881040. Its totient is φ = 37268712.

The previous prime is 111806147. The next prime is 111806159. The reversal of 111806148 is 841608111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×111806148² = 25001229461195808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111806147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4658578 + ... + 4658601.

Almost surely, 2^111806148 is an apocalyptic number.

It is an amenable number.

111806148 is an abundant number, since it is smaller than the sum of its proper divisors (149074892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111806148 is a wasteful number, since it uses less digits than its factorization.

111806148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9317186 (or 9317184 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 30.

The square root of 111806148 is about 10573.8426317021. The cubic root of 111806148 is about 481.7501905073.

The spelling of 111806148 in words is "one hundred eleven million, eight hundred six thousand, one hundred forty-eight".