51065161324 has 6 divisors (see below), whose sum is σ = 89364032324. Its totient is φ = 25532580660.

The previous prime is 51065161321. The next prime is 51065161363. The reversal of 51065161324 is 42316156015.

It is a super-2 number, since 2×51065161324² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51065161324.

It is not an unprimeable number, because it can be changed into a prime (51065161321) by changing a digit.

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 as a sum of consecutive naturals, namely, 6383145162 + ... + 6383145169.

Almost surely, 2^51065161324 is an apocalyptic number.

It is an amenable number.

51065161324 is a deficient number, since it is larger than the sum of its proper divisors (38298871000).

51065161324 is a wasteful number, since it uses less digits than its factorization.

51065161324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12766290335 (or 12766290333 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 51065161324 in words is "fifty-one billion, sixty-five million, one hundred sixty-one thousand, three hundred twenty-four".