51105006005 has 8 divisors (see below), whose sum is σ = 61330329600. Its totient is φ = 40881123216.

The previous prime is 51105005989. The next prime is 51105006061. The reversal of 51105006005 is 50060050115.

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 51105006005 - 2⁴ = 51105005989 is a prime.

It is a super-2 number, since 2×51105006005² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280565 + ... + 425354.

It is an arithmetic number, because the mean of its divisors is an integer number (7666291200).

Almost surely, 2^51105006005 is an apocalyptic number.

It is an amenable number.

51105006005 is a deficient number, since it is larger than the sum of its proper divisors (10225323595).

51105006005 is a wasteful number, since it uses less digits than its factorization.

51105006005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720403.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 51105006005 in words is "fifty-one billion, one hundred five million, six thousand, five".