5127115751 has 4 divisors (see below), whose sum is σ = 5149702392. Its totient is φ = 5104529112.

The previous prime is 5127115729. The next prime is 5127115787. The reversal of 5127115751 is 1575117215.

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-5127115751 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 (5127115951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11292980 + ... + 11293433.

It is an arithmetic number, because the mean of its divisors is an integer number (1287425598).

Almost surely, 2^5127115751 is an apocalyptic number.

5127115751 is a deficient number, since it is larger than the sum of its proper divisors (22586641).

5127115751 is a wasteful number, since it uses less digits than its factorization.

5127115751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22586640.

The product of its digits is 12250, while the sum is 35.

The square root of 5127115751 is about 71603.8808375635. The cubic root of 5127115751 is about 1724.3458418292.

The spelling of 5127115751 in words is "five billion, one hundred twenty-seven million, one hundred fifteen thousand, seven hundred fifty-one".