51000110055051 has 8 divisors (see below), whose sum is σ = 68001038231040. Its totient is φ = 33999627624552.

The previous prime is 51000110055047. The next prime is 51000110055061. The reversal of 51000110055051 is 15055001100015.

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

It is not a de Polignac number, because 51000110055051 - 2² = 51000110055047 is a prime.

It is a super-2 number, since 2×51000110055051² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51000110055061) 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, 111169311 + ... + 111627128.

It is an arithmetic number, because the mean of its divisors is an integer number (8500129778880).

Almost surely, 2^{51000110055051} is an apocalyptic number.

51000110055051 is a deficient number, since it is larger than the sum of its proper divisors (17000928175989).

51000110055051 is a wasteful number, since it uses less digits than its factorization.

51000110055051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222872745.

The product of its (nonzero) digits is 625, while the sum is 24.

Adding to 51000110055051 its reverse (15055001100015), we get a palindrome (66055111155066).

The spelling of 51000110055051 in words is "fifty-one trillion, one hundred ten million, fifty-five thousand, fifty-one".