11331040 has 96 divisors (see below), whose sum is σ = 31256064. Its totient is φ = 3801600.

The previous prime is 11331031. The next prime is 11331043. The reversal of 11331040 is 4013311.

11331040 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

11331040 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 11331040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74965 + ... + 75115.

It is an arithmetic number, because the mean of its divisors is an integer number (325584).

Almost surely, 2^11331040 is an apocalyptic number.

11331040 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 11331040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15628032).

11331040 is an abundant number, since it is smaller than the sum of its proper divisors (19925024).

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

11331040 is a wasteful number, since it uses less digits than its factorization.

11331040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 11331040 is about 3366.1610181333. The cubic root of 11331040 is about 224.6069846881.

Adding to 11331040 its reverse (4013311), we get a palindrome (15344351).

The spelling of 11331040 in words is "eleven million, three hundred thirty-one thousand, forty".