51516510006001 has 8 divisors (see below), whose sum is σ = 51633850506624. Its totient is φ = 51399174237840.

The previous prime is 51516510005999. The next prime is 51516510006067. The reversal of 51516510006001 is 10060001561515.

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 51516510006001 - 2¹ = 51516510005999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51516510096001) 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, 21090120 + ... + 23405686.

It is an arithmetic number, because the mean of its divisors is an integer number (6454231313328).

Almost surely, 2^{51516510006001} is an apocalyptic number.

It is an amenable number.

51516510006001 is a deficient number, since it is larger than the sum of its proper divisors (117340500623).

51516510006001 is a wasteful number, since it uses less digits than its factorization.

51516510006001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366231.

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 51516510006001 its reverse (10060001561515), we get a palindrome (61576511567516).

The spelling of 51516510006001 in words is "fifty-one trillion, five hundred sixteen billion, five hundred ten million, six thousand, one".