112811644 has 12 divisors (see below), whose sum is σ = 215367768. Its totient is φ = 51278000.

The previous prime is 112811641. The next prime is 112811651. The reversal of 112811644 is 446118211.

It is a super-3 number, since 3×112811644³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112811641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281907 + ... + 1281994.

It is an arithmetic number, because the mean of its divisors is an integer number (17947314).

Almost surely, 2^112811644 is an apocalyptic number.

It is an amenable number.

112811644 is a deficient number, since it is larger than the sum of its proper divisors (102556124).

112811644 is a wasteful number, since it uses less digits than its factorization.

112811644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563916 (or 2563914 counting only the distinct ones).

The product of its digits is 1536, while the sum is 28.

The square root of 112811644 is about 10621.2825967489. The cubic root of 112811644 is about 483.1900427662.

Adding to 112811644 its reverse (446118211), we get a palindrome (558929855).

The spelling of 112811644 in words is "one hundred twelve million, eight hundred eleven thousand, six hundred forty-four".