51040320105 has 8 divisors (see below), whose sum is σ = 81664512192. Its totient is φ = 27221504048.

The previous prime is 51040320083. The next prime is 51040320151. The reversal of 51040320105 is 50102304015.

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 51040320105 - 2¹² = 51040316009 is a prime.

It is a super-2 number, since 2×51040320105² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701343989 + ... + 1701344018.

It is an arithmetic number, because the mean of its divisors is an integer number (10208064024).

Almost surely, 2^51040320105 is an apocalyptic number.

It is an amenable number.

51040320105 is a deficient number, since it is larger than the sum of its proper divisors (30624192087).

51040320105 is a wasteful number, since it uses less digits than its factorization.

51040320105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402688015.

The product of its (nonzero) digits is 600, while the sum is 21.

The spelling of 51040320105 in words is "fifty-one billion, forty million, three hundred twenty thousand, one hundred five".