1113843419549 has 32 divisors (see below), whose sum is σ = 1398537308160. Its totient is φ = 864953812800.

The previous prime is 1113843419543. The next prime is 1113843419561. The reversal of 1113843419549 is 9459143483111.

It is a de Polignac number, because none of the positive numbers 2^k-1113843419549 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113843419549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113843419543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14310959 + ... + 14388579.

It is an arithmetic number, because the mean of its divisors is an integer number (43704290880).

Almost surely, 2^{1113843419549} is an apocalyptic number.

1113843419549 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1113843419549 is a deficient number, since it is larger than the sum of its proper divisors (284693888611).

1113843419549 is a wasteful number, since it uses less digits than its factorization.

1113843419549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82361.

The product of its digits is 1866240, while the sum is 53.

The spelling of 1113843419549 in words is "one trillion, one hundred thirteen billion, eight hundred forty-three million, four hundred nineteen thousand, five hundred forty-nine".