11541036443 has 4 divisors (see below), whose sum is σ = 11567088888. Its totient is φ = 11514984000.

The previous prime is 11541036427. The next prime is 11541036491. The reversal of 11541036443 is 34463014511.

It is a happy number.

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 11541036443 - 2⁴ = 11541036427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11541032443) 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, 13025558 + ... + 13026443.

It is an arithmetic number, because the mean of its divisors is an integer number (2891772222).

Almost surely, 2^11541036443 is an apocalyptic number.

11541036443 is a deficient number, since it is larger than the sum of its proper divisors (26052445).

11541036443 is an equidigital number, since it uses as much as digits as its factorization.

11541036443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26052444.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 11541036443 in words is "eleven billion, five hundred forty-one million, thirty-six thousand, four hundred forty-three".