11043240 has 64 divisors (see below), whose sum is σ = 35683200. Its totient is φ = 2717952.

The previous prime is 11043211. The next prime is 11043259. The reversal of 11043240 is 4234011.

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

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1980 + ... + 5099.

It is an arithmetic number, because the mean of its divisors is an integer number (557550).

Almost surely, 2^11043240 is an apocalyptic number.

11043240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11043240 is an abundant number, since it is smaller than the sum of its proper divisors (24639960).

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

11043240 is a wasteful number, since it uses less digits than its factorization.

11043240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7106 (or 7102 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 11043240 is about 3323.1370721052. The cubic root of 11043240 is about 222.6890368400.

Adding to 11043240 its reverse (4234011), we get a palindrome (15277251).

The spelling of 11043240 in words is "eleven million, forty-three thousand, two hundred forty".