51005105106 has 16 divisors (see below), whose sum is σ = 102015337248. Its totient is φ = 17000847200.

The previous prime is 51005105051. The next prime is 51005105147. The reversal of 51005105106 is 60150150015.

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, 77640 + ... + 328691.

It is an arithmetic number, because the mean of its divisors is an integer number (6375958578).

Almost surely, 2^51005105106 is an apocalyptic number.

51005105106 is an abundant number, since it is smaller than the sum of its proper divisors (51010232142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51005105106 is a wasteful number, since it uses less digits than its factorization.

51005105106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427257.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 51005105106 in words is "fifty-one billion, five million, one hundred five thousand, one hundred six".