5651128071 has 12 divisors (see below), whose sum is σ = 8164047840. Its totient is φ = 3766815360.

The previous prime is 5651128061. The next prime is 5651128073. The reversal of 5651128071 is 1708211565.

5651128071 is a `hidden beast` number, since 56 + 511 + 28 + 0 + 71 = 666.

It is not a de Polignac number, because 5651128071 - 2⁷ = 5651127943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651128073) 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 in 11 ways as a sum of consecutive naturals, for example, 13266 + ... + 107136.

It is an arithmetic number, because the mean of its divisors is an integer number (680337320).

Almost surely, 2^5651128071 is an apocalyptic number.

5651128071 is a deficient number, since it is larger than the sum of its proper divisors (2512919769).

5651128071 is a wasteful number, since it uses less digits than its factorization.

5651128071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100566 (or 100563 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 36.

The square root of 5651128071 is about 75173.9853340236. The cubic root of 5651128071 is about 1781.1960222387.

The spelling of 5651128071 in words is "five billion, six hundred fifty-one million, one hundred twenty-eight thousand, seventy-one".