11885589943 has 8 divisors (see below), whose sum is σ = 12089001600. Its totient is φ = 11682243768.

The previous prime is 11885589901. The next prime is 11885589977. The reversal of 11885589943 is 34998558811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11885589943 - 2⁹ = 11885589431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885584943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474118 + ... + 498556.

It is an arithmetic number, because the mean of its divisors is an integer number (1511125200).

Almost surely, 2^11885589943 is an apocalyptic number.

11885589943 is a deficient number, since it is larger than the sum of its proper divisors (203411657).

11885589943 is an equidigital number, since it uses as much as digits as its factorization.

11885589943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32741.

The product of its digits is 12441600, while the sum is 61.

The spelling of 11885589943 in words is "eleven billion, eight hundred eighty-five million, five hundred eighty-nine thousand, nine hundred forty-three".