50128627851 has 24 divisors (see below), whose sum is σ = 73840689936. Its totient is φ = 32758989120.

The previous prime is 50128627807. The next prime is 50128627867. The reversal of 50128627851 is 15872682105.

50128627851 is a `hidden beast` number, since 5 + 0 + 12 + 8 + 627 + 8 + 5 + 1 = 666.

It is not a de Polignac number, because 50128627851 - 2⁷ = 50128627723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50128627797 and 50128627806.

It is not an unprimeable number, because it can be changed into a prime (50128626851) 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 23 ways as a sum of consecutive naturals, for example, 488881 + ... + 582461.

It is an arithmetic number, because the mean of its divisors is an integer number (3076695414).

Almost surely, 2^50128627851 is an apocalyptic number.

50128627851 is a deficient number, since it is larger than the sum of its proper divisors (23712062085).

50128627851 is a wasteful number, since it uses less digits than its factorization.

50128627851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94763 (or 94760 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 50128627851 in words is "fifty billion, one hundred twenty-eight million, six hundred twenty-seven thousand, eight hundred fifty-one".