51000834059771 has 4 divisors (see below), whose sum is σ = 51013294565712. Its totient is φ = 50988373553832.

The previous prime is 51000834059759. The next prime is 51000834059779. The reversal of 51000834059771 is 17795043800015.

It is a happy number.

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-51000834059771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51000834059779) 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, 6230246831 + ... + 6230255016.

It is an arithmetic number, because the mean of its divisors is an integer number (12753323641428).

Almost surely, 2^{51000834059771} is an apocalyptic number.

51000834059771 is a deficient number, since it is larger than the sum of its proper divisors (12460505941).

51000834059771 is a wasteful number, since it uses less digits than its factorization.

51000834059771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12460505940.

The product of its (nonzero) digits is 1058400, while the sum is 50.

Adding to 51000834059771 its reverse (17795043800015), we get a palindrome (68795877859786).

The spelling of 51000834059771 in words is "fifty-one trillion, eight hundred thirty-four million, fifty-nine thousand, seven hundred seventy-one".