51110317682 has 8 divisors (see below), whose sum is σ = 76682691036. Its totient is φ = 25549420672.

The previous prime is 51110317681. The next prime is 51110317703. The reversal of 51110317682 is 28671301115.

It can be written as a sum of positive squares in 2 ways, for example, as 51012287881 + 98029801 = 225859^2 + 9901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51110317682² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51110317681) 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, 2857943 + ... + 2875770.

Almost surely, 2^51110317682 is an apocalyptic number.

51110317682 is a deficient number, since it is larger than the sum of its proper divisors (25572373354).

51110317682 is a wasteful number, since it uses less digits than its factorization.

51110317682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738172.

The product of its (nonzero) digits is 10080, while the sum is 35.

Adding to 51110317682 its reverse (28671301115), we get a palindrome (79781618797).

The spelling of 51110317682 in words is "fifty-one billion, one hundred ten million, three hundred seventeen thousand, six hundred eighty-two".