11941018043 has 4 divisors (see below), whose sum is σ = 11941486368. Its totient is φ = 11940549720.

The previous prime is 11941017971. The next prime is 11941018049. The reversal of 11941018043 is 34081014911.

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 11941018043 - 2¹⁸ = 11940755899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11941018049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193571 + ... + 247692.

It is an arithmetic number, because the mean of its divisors is an integer number (2985371592).

Almost surely, 2^11941018043 is an apocalyptic number.

11941018043 is a deficient number, since it is larger than the sum of its proper divisors (468325).

11941018043 is an equidigital number, since it uses as much as digits as its factorization.

11941018043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468324.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 11941018043 in words is "eleven billion, nine hundred forty-one million, eighteen thousand, forty-three".