5543843811 has 12 divisors (see below), whose sum is σ = 8124862536. Its totient is φ = 3359905120.

The previous prime is 5543843791. The next prime is 5543843821. The reversal of 5543843811 is 1183483455.

It is a happy number.

It is not a de Polignac number, because 5543843811 - 2¹⁵ = 5543811043 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5543843821) 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 11 ways as a sum of consecutive naturals, for example, 7635786 + ... + 7636511.

It is an arithmetic number, because the mean of its divisors is an integer number (677071878).

Almost surely, 2^5543843811 is an apocalyptic number.

5543843811 is a deficient number, since it is larger than the sum of its proper divisors (2581018725).

5543843811 is a wasteful number, since it uses less digits than its factorization.

5543843811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15272322 (or 15272311 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 5543843811 is about 74456.9930295335. The cubic root of 5543843811 is about 1769.8521811503.

The spelling of 5543843811 in words is "five billion, five hundred forty-three million, eight hundred forty-three thousand, eight hundred eleven".