11040311240 has 32 divisors (see below), whose sum is σ = 28389372480. Its totient is φ = 3785249472.

The previous prime is 11040311239. The next prime is 11040311257. The reversal of 11040311240 is 4211304011.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19714562 + ... + 19715121.

It is an arithmetic number, because the mean of its divisors is an integer number (887167890).

Almost surely, 2^11040311240 is an apocalyptic number.

11040311240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11040311240 is an abundant number, since it is smaller than the sum of its proper divisors (17349061240).

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

11040311240 is a wasteful number, since it uses less digits than its factorization.

11040311240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39429701 (or 39429697 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11040311240 its reverse (4211304011), we get a palindrome (15251615251).

The spelling of 11040311240 in words is "eleven billion, forty million, three hundred eleven thousand, two hundred forty".