1112449811 has 4 divisors (see below), whose sum is σ = 1213581624. Its totient is φ = 1011318000.

The previous prime is 1112449739. The next prime is 1112449837. The reversal of 1112449811 is 1189442111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1112449811 - 2²² = 1108255507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112449841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50565890 + ... + 50565911.

It is an arithmetic number, because the mean of its divisors is an integer number (303395406).

Almost surely, 2^1112449811 is an apocalyptic number.

1112449811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112449811 is a deficient number, since it is larger than the sum of its proper divisors (101131813).

1112449811 is a wasteful number, since it uses less digits than its factorization.

1112449811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101131812.

The product of its digits is 2304, while the sum is 32.

The square root of 1112449811 is about 33353.4077869114. The cubic root of 1112449811 is about 1036.1599668883.

The spelling of 1112449811 in words is "one billion, one hundred twelve million, four hundred forty-nine thousand, eight hundred eleven".