11847939841 has 8 divisors (see below), whose sum is σ = 12029336000. Its totient is φ = 11666677968.

The previous prime is 11847939833. The next prime is 11847939853. The reversal of 11847939841 is 14893974811.

It is a happy number.

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 11847939841 - 2³ = 11847939833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11847939871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152020 + ... + 216346.

It is an arithmetic number, because the mean of its divisors is an integer number (1503667000).

Almost surely, 2^11847939841 is an apocalyptic number.

It is an amenable number.

11847939841 is a deficient number, since it is larger than the sum of its proper divisors (181396159).

11847939841 is an equidigital number, since it uses as much as digits as its factorization.

11847939841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67143.

The product of its digits is 1741824, while the sum is 55.

The spelling of 11847939841 in words is "eleven billion, eight hundred forty-seven million, nine hundred thirty-nine thousand, eight hundred forty-one".