5127239911 has 4 divisors (see below), whose sum is σ = 5127437592. Its totient is φ = 5127042232.

The previous prime is 5127239869. The next prime is 5127239939. The reversal of 5127239911 is 1199327215.

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 5127239911 - 2¹⁵ = 5127207143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5127233911) 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, 52780 + ... + 114193.

It is an arithmetic number, because the mean of its divisors is an integer number (1281859398).

Almost surely, 2^5127239911 is an apocalyptic number.

5127239911 is a deficient number, since it is larger than the sum of its proper divisors (197681).

5127239911 is a wasteful number, since it uses less digits than its factorization.

5127239911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197680.

The product of its digits is 34020, while the sum is 40.

The square root of 5127239911 is about 71604.7478244285. The cubic root of 5127239911 is about 1724.3597608343.

The spelling of 5127239911 in words is "five billion, one hundred twenty-seven million, two hundred thirty-nine thousand, nine hundred eleven".