11658487843 has 8 divisors (see below), whose sum is σ = 12101806080. Its totient is φ = 11219372040.

The previous prime is 11658487831. The next prime is 11658487853. The reversal of 11658487843 is 34878485611.

11658487843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11658487843 - 2³³ = 3068553251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11658487853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044955 + ... + 1056052.

It is an arithmetic number, because the mean of its divisors is an integer number (1512725760).

Almost surely, 2^11658487843 is an apocalyptic number.

11658487843 is a deficient number, since it is larger than the sum of its proper divisors (443318237).

11658487843 is a wasteful number, since it uses less digits than its factorization.

11658487843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101217.

The product of its digits is 5160960, while the sum is 55.

The spelling of 11658487843 in words is "eleven billion, six hundred fifty-eight million, four hundred eighty-seven thousand, eight hundred forty-three".