11112240 has 40 divisors (see below), whose sum is σ = 34448688. Its totient is φ = 2963200.

The previous prime is 11112239. The next prime is 11112251. The reversal of 11112240 is 4221111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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

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 7 ways as a sum of consecutive naturals, for example, 22911 + ... + 23390.

Almost surely, 2^11112240 is an apocalyptic number.

11112240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112240 is an abundant number, since it is smaller than the sum of its proper divisors (23336448).

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

11112240 is a wasteful number, since it uses less digits than its factorization.

11112240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46317 (or 46311 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11112240 is about 3333.5026623658. The cubic root of 11112240 is about 223.1518735923.

Adding to 11112240 its reverse (4221111), we get a palindrome (15333351).

The spelling of 11112240 in words is "eleven million, one hundred twelve thousand, two hundred forty".