51050051005 has 8 divisors (see below), whose sum is σ = 63923542272. Its totient is φ = 39064386768.

The previous prime is 51050050999. The next prime is 51050051021. The reversal of 51050051005 is 50015005015.

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 51050051005 - 2¹⁷ = 51049919933 is a prime.

It is a super-2 number, since 2×51050051005² (a number of 22 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221956629 + ... + 221956858.

It is an arithmetic number, because the mean of its divisors is an integer number (7990442784).

Almost surely, 2^51050051005 is an apocalyptic number.

It is an amenable number.

51050051005 is a deficient number, since it is larger than the sum of its proper divisors (12873491267).

51050051005 is a wasteful number, since it uses less digits than its factorization.

51050051005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443913515.

The product of its (nonzero) digits is 625, while the sum is 22.

The spelling of 51050051005 in words is "fifty-one billion, fifty million, fifty-one thousand, five".