51000505110005 has 16 divisors (see below), whose sum is σ = 66786066419904. Its totient is φ = 37079182654080.

The previous prime is 51000505109999. The next prime is 51000505110059. The reversal of 51000505110005 is 50001150500015.

It is a happy number.

It is not a de Polignac number, because 51000505110005 - 2¹² = 51000505105909 is a prime.

It is a super-2 number, since 2×51000505110005² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151002152 + ... + 151339521.

It is an arithmetic number, because the mean of its divisors is an integer number (4174129151244).

Almost surely, 2^{51000505110005} is an apocalyptic number.

51000505110005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51000505110005 is a deficient number, since it is larger than the sum of its proper divisors (15785561309899).

51000505110005 is a wasteful number, since it uses less digits than its factorization.

51000505110005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302344756.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 51000505110005 in words is "fifty-one trillion, five hundred five million, one hundred ten thousand, five".