11432120443 has 4 divisors (see below), whose sum is σ = 11459405160. Its totient is φ = 11404835728.

The previous prime is 11432120423. The next prime is 11432120477. The reversal of 11432120443 is 34402123411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11432120443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11432120423) 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, 13641730 + ... + 13642567.

It is an arithmetic number, because the mean of its divisors is an integer number (2864851290).

Almost surely, 2^11432120443 is an apocalyptic number.

11432120443 is a deficient number, since it is larger than the sum of its proper divisors (27284717).

11432120443 is an equidigital number, since it uses as much as digits as its factorization.

11432120443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27284716.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 11432120443 its reverse (34402123411), we get a palindrome (45834243854).

The spelling of 11432120443 in words is "eleven billion, four hundred thirty-two million, one hundred twenty thousand, four hundred forty-three".