5111720239 has 2 divisors, whose sum is σ = 5111720240. Its totient is φ = 5111720238.

The previous prime is 5111720227. The next prime is 5111720279. The reversal of 5111720239 is 9320271115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5111720239 - 2²⁷ = 4977502511 is a prime.

It is a super-2 number, since 2×5111720239² = 52259367603604434242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5111720239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5111720209) 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, 2555860119 + 2555860120.

It is an arithmetic number, because the mean of its divisors is an integer number (2555860120).

Almost surely, 2^5111720239 is an apocalyptic number.

5111720239 is a deficient number, since it is larger than the sum of its proper divisors (1).

5111720239 is an equidigital number, since it uses as much as digits as its factorization.

5111720239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 5111720239 is about 71496.2952816438. The cubic root of 5111720239 is about 1722.6181776192.

The spelling of 5111720239 in words is "five billion, one hundred eleven million, seven hundred twenty thousand, two hundred thirty-nine".