1163441041989 has 4 divisors (see below), whose sum is σ = 1551254722656. Its totient is φ = 775627361324.

The previous prime is 1163441041913. The next prime is 1163441042039. The reversal of 1163441041989 is 9891401443611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1163441041989 - 2⁸ = 1163441041733 is a prime.

It is a super-5 number, since 5×1163441041989⁵ (a number of 62 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163441045989) 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, 193906840329 + ... + 193906840334.

It is an arithmetic number, because the mean of its divisors is an integer number (387813680664).

Almost surely, 2^{1163441041989} is an apocalyptic number.

It is an amenable number.

1163441041989 is a deficient number, since it is larger than the sum of its proper divisors (387813680667).

1163441041989 is an equidigital number, since it uses as much as digits as its factorization.

1163441041989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387813680666.

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 1163441041989 in words is "one trillion, one hundred sixty-three billion, four hundred forty-one million, forty-one thousand, nine hundred eighty-nine".