51116126611071 has 8 divisors (see below), whose sum is σ = 68196469474224. Its totient is φ = 34056600744320.

The previous prime is 51116126611061. The next prime is 51116126611079. The reversal of 51116126611071 is 17011662161115.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51116126611071 - 2¹⁵ = 51116126578303 is a prime.

It is a super-3 number, since 3×51116126611071³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51116126611079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5204243370 + ... + 5204253191.

It is an arithmetic number, because the mean of its divisors is an integer number (8524558684278).

Almost surely, 2^{51116126611071} is an apocalyptic number.

51116126611071 is a deficient number, since it is larger than the sum of its proper divisors (17080342863153).

51116126611071 is a wasteful number, since it uses less digits than its factorization.

51116126611071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10408498201.

The product of its (nonzero) digits is 15120, while the sum is 39.

Adding to 51116126611071 its reverse (17011662161115), we get a palindrome (68127788772186).

The spelling of 51116126611071 in words is "fifty-one trillion, one hundred sixteen billion, one hundred twenty-six million, six hundred eleven thousand, seventy-one".