11231132443 has 4 divisors (see below), whose sum is σ = 11421490680. Its totient is φ = 11040774208.

The previous prime is 11231132413. The next prime is 11231132459. The reversal of 11231132443 is 34423113211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11231132443 - 2⁹ = 11231131931 is a prime.

It is a super-2 number, since 2×11231132443² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231132413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95179030 + ... + 95179147.

It is an arithmetic number, because the mean of its divisors is an integer number (2855372670).

Almost surely, 2^11231132443 is an apocalyptic number.

11231132443 is a deficient number, since it is larger than the sum of its proper divisors (190358237).

11231132443 is an equidigital number, since it uses as much as digits as its factorization.

11231132443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190358236.

The product of its digits is 1728, while the sum is 25.

Adding to 11231132443 its reverse (34423113211), we get a palindrome (45654245654).

The spelling of 11231132443 in words is "eleven billion, two hundred thirty-one million, one hundred thirty-two thousand, four hundred forty-three".