11919476843 has 8 divisors (see below), whose sum is σ = 12306696576. Its totient is φ = 11532427200.

The previous prime is 11919476837. The next prime is 11919476857. The reversal of 11919476843 is 34867491911.

11919476843 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 11919476843 - 2¹⁴ = 11919460459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11919476873) 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, 108473 + ... + 188693.

It is an arithmetic number, because the mean of its divisors is an integer number (1538337072).

Almost surely, 2^11919476843 is an apocalyptic number.

11919476843 is a deficient number, since it is larger than the sum of its proper divisors (387219733).

11919476843 is an equidigital number, since it uses as much as digits as its factorization.

11919476843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85045.

The product of its digits is 1306368, while the sum is 53.

The spelling of 11919476843 in words is "eleven billion, nine hundred nineteen million, four hundred seventy-six thousand, eight hundred forty-three".