1163441042041 has 4 divisors (see below), whose sum is σ = 1169868893284. Its totient is φ = 1157013190800.

The previous prime is 1163441042039. The next prime is 1163441042053. The reversal of 1163441042041 is 1402401443611.

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 5417548816 + 1158023493225 = 73604^2 + 1076115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163441042041 - 2¹ = 1163441042039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1163441041994 and 1163441042012.

It is not an unprimeable number, because it can be changed into a prime (1163441043041) 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, 3213925350 + ... + 3213925711.

It is an arithmetic number, because the mean of its divisors is an integer number (292467223321).

Almost surely, 2^{1163441042041} is an apocalyptic number.

It is an amenable number.

1163441042041 is a deficient number, since it is larger than the sum of its proper divisors (6427851243).

1163441042041 is an equidigital number, since it uses as much as digits as its factorization.

1163441042041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427851242.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 1163441042041 its reverse (1402401443611), we get a palindrome (2565842485652).

The spelling of 1163441042041 in words is "one trillion, one hundred sixty-three billion, four hundred forty-one million, forty-two thousand, forty-one".