5311220543 has 2 divisors, whose sum is σ = 5311220544. Its totient is φ = 5311220542.

The previous prime is 5311220501. The next prime is 5311220561. The reversal of 5311220543 is 3450221135.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5311220543 - 2⁶ = 5311220479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5311220443) 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 as a sum of consecutive naturals, namely, 2655610271 + 2655610272.

It is an arithmetic number, because the mean of its divisors is an integer number (2655610272).

Almost surely, 2^5311220543 is an apocalyptic number.

5311220543 is a deficient number, since it is larger than the sum of its proper divisors (1).

5311220543 is an equidigital number, since it uses as much as digits as its factorization.

5311220543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5311220543 is about 72878.1211544315. The cubic root of 5311220543 is about 1744.7429218742.

Adding to 5311220543 its reverse (3450221135), we get a palindrome (8761441678).

The spelling of 5311220543 in words is "five billion, three hundred eleven million, two hundred twenty thousand, five hundred forty-three".