11153440 has 24 divisors (see below), whose sum is σ = 26350380. Its totient is φ = 4461312.

The previous prime is 11153407. The next prime is 11153447. The reversal of 11153440 is 4435111.

It can be written as a sum of positive squares in 2 ways, for example, as 9314704 + 1838736 = 3052^2 + 1356^2 .

It is not an unprimeable number, because it can be changed into a prime (11153447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34695 + ... + 35014.

Almost surely, 2^11153440 is an apocalyptic number.

11153440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11153440 is an abundant number, since it is smaller than the sum of its proper divisors (15196940).

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

11153440 is an equidigital number, since it uses as much as digits as its factorization.

11153440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69724 (or 69716 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11153440 is about 3339.6766310528. The cubic root of 11153440 is about 223.4273211494.

Adding to 11153440 its reverse (4435111), we get a palindrome (15588551).

The spelling of 11153440 in words is "eleven million, one hundred fifty-three thousand, four hundred forty".