11041540 has 48 divisors (see below), whose sum is σ = 24437952. Its totient is φ = 4185216.

The previous prime is 11041531. The next prime is 11041559. The reversal of 11041540 is 4514011.

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, 31647 + ... + 31993.

It is an arithmetic number, because the mean of its divisors is an integer number (509124).

Almost surely, 2^11041540 is an apocalyptic number.

11041540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11041540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12218976).

11041540 is an abundant number, since it is smaller than the sum of its proper divisors (13396412).

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

11041540 is a wasteful number, since it uses less digits than its factorization.

11041540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 11041540 is about 3322.8812798534. The cubic root of 11041540 is about 222.6776093124.

Adding to 11041540 its reverse (4514011), we get a palindrome (15555551).

The spelling of 11041540 in words is "eleven million, forty-one thousand, five hundred forty".