5311558243 has 4 divisors (see below), whose sum is σ = 5591113960. Its totient is φ = 5032002528.

The previous prime is 5311558237. The next prime is 5311558247. The reversal of 5311558243 is 3428551135.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5311558243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5311558247) 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, 139777830 + ... + 139777867.

It is an arithmetic number, because the mean of its divisors is an integer number (1397778490).

Almost surely, 2^5311558243 is an apocalyptic number.

5311558243 is a deficient number, since it is larger than the sum of its proper divisors (279555717).

5311558243 is a wasteful number, since it uses less digits than its factorization.

5311558243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279555716.

The product of its digits is 72000, while the sum is 37.

The square root of 5311558243 is about 72880.4379995071. The cubic root of 5311558243 is about 1744.7798993883.

The spelling of 5311558243 in words is "five billion, three hundred eleven million, five hundred fifty-eight thousand, two hundred forty-three".