11231040 has 56 divisors (see below), whose sum is σ = 35661600. Its totient is φ = 2994688.

The previous prime is 11231039. The next prime is 11231047. The reversal of 11231040 is 4013211.

It is a happy number.

11231040 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11231040² = 252272518963200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4890 + ... + 6809.

Almost surely, 2^11231040 is an apocalyptic number.

11231040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231040 is an abundant number, since it is smaller than the sum of its proper divisors (24430560).

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

11231040 is a wasteful number, since it uses less digits than its factorization.

11231040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11719 (or 11709 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11231040 is about 3351.2743844693. The cubic root of 11231040 is about 223.9442888663.

Adding to 11231040 its reverse (4013211), we get a palindrome (15244251).

The spelling of 11231040 in words is "eleven million, two hundred thirty-one thousand, forty".