5120043191 has 2 divisors, whose sum is σ = 5120043192. Its totient is φ = 5120043190.

The previous prime is 5120043151. The next prime is 5120043233. The reversal of 5120043191 is 1913400215.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5120043191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5120043191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5120043101) 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 as a sum of consecutive naturals, namely, 2560021595 + 2560021596.

It is an arithmetic number, because the mean of its divisors is an integer number (2560021596).

Almost surely, 2^5120043191 is an apocalyptic number.

5120043191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5120043191 is an equidigital number, since it uses as much as digits as its factorization.

5120043191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 5120043191 is about 71554.4770856443. The cubic root of 5120043191 is about 1723.5525984800.

The spelling of 5120043191 in words is "five billion, one hundred twenty million, forty-three thousand, one hundred ninety-one".