51012203150009 has 2 divisors, whose sum is σ = 51012203150010. Its totient is φ = 51012203150008.

The previous prime is 51012203149993. The next prime is 51012203150033. The reversal of 51012203150009 is 90005130221015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35179762150009 + 15832441000000 = 5931253^2 + 3979000^2 .

It is a cyclic number.

It is not a de Polignac number, because 51012203150009 - 2⁴ = 51012203149993 is a prime.

It is not a weakly prime, because it can be changed into another prime (51012203150039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25506101575004 + 25506101575005.

It is an arithmetic number, because the mean of its divisors is an integer number (25506101575005).

Almost surely, 2^{51012203150009} is an apocalyptic number.

It is an amenable number.

51012203150009 is a deficient number, since it is larger than the sum of its proper divisors (1).

51012203150009 is an equidigital number, since it uses as much as digits as its factorization.

51012203150009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 29.

The spelling of 51012203150009 in words is "fifty-one trillion, twelve billion, two hundred three million, one hundred fifty thousand, nine".