51302222220105 has 12 divisors (see below), whose sum is σ = 88923851848260. Its totient is φ = 27361185184032.

The previous prime is 51302222220103. The next prime is 51302222220113. The reversal of 51302222220105 is 50102222220315.

51302222220105 is a `hidden beast` number, since 513 + 0 + 2 + 2 + 2 + 22 + 20 + 105 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17895336562944 + 33406885657161 = 4230288^2 + 5779869^2 .

It is not a de Polignac number, because 51302222220105 - 2¹ = 51302222220103 is a prime.

It is a super-2 number, since 2×51302222220105² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51302222220103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 570024691290 + ... + 570024691379.

It is an arithmetic number, because the mean of its divisors is an integer number (7410320987355).

Almost surely, 2^{51302222220105} is an apocalyptic number.

It is an amenable number.

51302222220105 is a deficient number, since it is larger than the sum of its proper divisors (37621629628155).

51302222220105 is a wasteful number, since it uses less digits than its factorization.

51302222220105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140049382680 (or 1140049382677 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 51302222220105 in words is "fifty-one trillion, three hundred two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred five".