50865312851 has 16 divisors (see below), whose sum is σ = 53783527200. Its totient is φ = 47971699200.

The previous prime is 50865312829. The next prime is 50865312857. The reversal of 50865312851 is 15821356805.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50865312851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50865312857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3992171 + ... + 4004891.

It is an arithmetic number, because the mean of its divisors is an integer number (3361470450).

Almost surely, 2^50865312851 is an apocalyptic number.

50865312851 is a deficient number, since it is larger than the sum of its proper divisors (2918214349).

50865312851 is a wasteful number, since it uses less digits than its factorization.

50865312851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13670.

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 50865312851 in words is "fifty billion, eight hundred sixty-five million, three hundred twelve thousand, eight hundred fifty-one".