51060050105 has 4 divisors (see below), whose sum is σ = 61272060132. Its totient is φ = 40848040080.

The previous prime is 51060050081. The next prime is 51060050113. The reversal of 51060050105 is 50105006015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30062011456 + 20998038649 = 173384^2 + 144907^2 .

It is not a de Polignac number, because 51060050105 - 2¹⁴ = 51060033721 is a prime.

It is a super-2 number, since 2×51060050105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5106005006 + ... + 5106005015.

It is an arithmetic number, because the mean of its divisors is an integer number (15318015033).

Almost surely, 2^51060050105 is an apocalyptic number.

It is an amenable number.

51060050105 is a deficient number, since it is larger than the sum of its proper divisors (10212010027).

51060050105 is a wasteful number, since it uses less digits than its factorization.

51060050105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212010026.

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

The spelling of 51060050105 in words is "fifty-one billion, sixty million, fifty thousand, one hundred five".