11818382849 has 8 divisors (see below), whose sum is σ = 14545702080. Its totient is φ = 9350808336.

The previous prime is 11818382839. The next prime is 11818382893. The reversal of 11818382849 is 94828381811.

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 11818382849 - 2¹² = 11818378753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11818382849.

It is not an unprimeable number, because it can be changed into a prime (11818382819) 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, 64936079 + ... + 64936260.

It is an arithmetic number, because the mean of its divisors is an integer number (1818212760).

Almost surely, 2^11818382849 is an apocalyptic number.

It is an amenable number.

11818382849 is a deficient number, since it is larger than the sum of its proper divisors (2727319231).

11818382849 is a wasteful number, since it uses less digits than its factorization.

11818382849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129872359.

The product of its digits is 884736, while the sum is 53.

The spelling of 11818382849 in words is "eleven billion, eight hundred eighteen million, three hundred eighty-two thousand, eight hundred forty-nine".