11113140 has 48 divisors (see below), whose sum is σ = 32473728. Its totient is φ = 2834304.

The previous prime is 11113129. The next prime is 11113153. The reversal of 11113140 is 4131111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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, 2647 + ... + 5406.

It is an arithmetic number, because the mean of its divisors is an integer number (676536).

Almost surely, 2^11113140 is an apocalyptic number.

11113140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11113140 is an abundant number, since it is smaller than the sum of its proper divisors (21360588).

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

11113140 is a wasteful number, since it uses less digits than its factorization.

11113140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8088 (or 8086 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 11113140 is about 3333.6376527751. The cubic root of 11113140 is about 223.1578979182.

Adding to 11113140 its reverse (4131111), we get a palindrome (15244251).

The spelling of 11113140 in words is "eleven million, one hundred thirteen thousand, one hundred forty".