51116105660001 has 8 divisors (see below), whose sum is σ = 68155196743200. Its totient is φ = 34077209175072.

The previous prime is 51116105659991. The next prime is 51116105660057. The reversal of 51116105660001 is 10006650161115.

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

It is not a de Polignac number, because 51116105660001 - 2¹⁸ = 51116105397857 is a prime.

It is a super-2 number, since 2×51116105660001² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51116105660101) 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, 48035551 + ... + 49088148.

It is an arithmetic number, because the mean of its divisors is an integer number (8519399592900).

Almost surely, 2^{51116105660001} is an apocalyptic number.

It is an amenable number.

51116105660001 is a deficient number, since it is larger than the sum of its proper divisors (17039091083199).

51116105660001 is a wasteful number, since it uses less digits than its factorization.

51116105660001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97299135.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 51116105660001 in words is "fifty-one trillion, one hundred sixteen billion, one hundred five million, six hundred sixty thousand, one".