5211140443 has 4 divisors (see below), whose sum is σ = 5227789768. Its totient is φ = 5194491120.

The previous prime is 5211140387. The next prime is 5211140447. The reversal of 5211140443 is 3440411125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5211140443 - 2²¹ = 5209043291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5211140447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8324193 + ... + 8324818.

It is an arithmetic number, because the mean of its divisors is an integer number (1306947442).

Almost surely, 2^5211140443 is an apocalyptic number.

5211140443 is a deficient number, since it is larger than the sum of its proper divisors (16649325).

5211140443 is a wasteful number, since it uses less digits than its factorization.

5211140443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16649324.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 5211140443 is about 72188.2292551909. The cubic root of 5211140443 is about 1733.7145445279.

Adding to 5211140443 its reverse (3440411125), we get a palindrome (8651551568).

The spelling of 5211140443 in words is "five billion, two hundred eleven million, one hundred forty thousand, four hundred forty-three".