11927043899 has 8 divisors (see below), whose sum is σ = 12101880672. Its totient is φ = 11752516800.

The previous prime is 11927043883. The next prime is 11927043911. The reversal of 11927043899 is 99834072911.

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 11927043899 - 2⁴ = 11927043883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11927043899.

It is not an unprimeable number, because it can be changed into a prime (11927843899) 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, 749 + ... + 154449.

It is an arithmetic number, because the mean of its divisors is an integer number (1512735084).

Almost surely, 2^11927043899 is an apocalyptic number.

11927043899 is a deficient number, since it is larger than the sum of its proper divisors (174836773).

11927043899 is a wasteful number, since it uses less digits than its factorization.

11927043899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154837.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 11927043899 in words is "eleven billion, nine hundred twenty-seven million, forty-three thousand, eight hundred ninety-nine".