1112311140 has 48 divisors (see below), whose sum is σ = 3190440960. Its totient is φ = 289381120.

The previous prime is 1112311127. The next prime is 1112311141. The reversal of 1112311140 is 411132111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1112311141) 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 15 ways as a sum of consecutive naturals, for example, 223620 + ... + 228539.

It is an arithmetic number, because the mean of its divisors is an integer number (66467520).

Almost surely, 2^1112311140 is an apocalyptic number.

1112311140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112311140 is an abundant number, since it is smaller than the sum of its proper divisors (2078129820).

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

1112311140 is a wasteful number, since it uses less digits than its factorization.

1112311140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452212 (or 452210 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1112311140 is about 33351.3289090555. The cubic root of 1112311140 is about 1036.1169113700.

Adding to 1112311140 its reverse (411132111), we get a palindrome (1523443251).

The spelling of 1112311140 in words is "one billion, one hundred twelve million, three hundred eleven thousand, one hundred forty".