201043240441 has 4 divisors (see below), whose sum is σ = 206476841572. Its totient is φ = 195609639312.

The previous prime is 201043240427. The next prime is 201043240481. The reversal of 201043240441 is 144042340102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 131790054841 + 69253185600 = 363029^2 + 263160^2 .

It is a cyclic number.

It is not a de Polignac number, because 201043240441 - 2¹¹ = 201043238393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201043240481) 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, 2716800510 + ... + 2716800583.

It is an arithmetic number, because the mean of its divisors is an integer number (51619210393).

Almost surely, 2^201043240441 is an apocalyptic number.

It is an amenable number.

201043240441 is a deficient number, since it is larger than the sum of its proper divisors (5433601131).

201043240441 is an equidigital number, since it uses as much as digits as its factorization.

201043240441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433601130.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 201043240441 its reverse (144042340102), we get a palindrome (345085580543).

The spelling of 201043240441 in words is "two hundred one billion, forty-three million, two hundred forty thousand, four hundred forty-one".