11040442231 has 8 divisors (see below), whose sum is σ = 13588236704. Its totient is φ = 8735294880.

The previous prime is 11040442229. The next prime is 11040442289. The reversal of 11040442231 is 13224404011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11040442231 - 2¹ = 11040442229 is a prime.

It is a super-2 number, since 2×11040442231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040442211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60661680 + ... + 60661861.

It is an arithmetic number, because the mean of its divisors is an integer number (1698529588).

Almost surely, 2^11040442231 is an apocalyptic number.

11040442231 is a deficient number, since it is larger than the sum of its proper divisors (2547794473).

11040442231 is a wasteful number, since it uses less digits than its factorization.

11040442231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121323561.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11040442231 its reverse (13224404011), we get a palindrome (24264846242).

The spelling of 11040442231 in words is "eleven billion, forty million, four hundred forty-two thousand, two hundred thirty-one".