5512123009 has 2 divisors, whose sum is σ = 5512123010. Its totient is φ = 5512123008.

The previous prime is 5512123007. The next prime is 5512123069. The reversal of 5512123009 is 9003212155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3384330625 + 2127792384 = 58175^2 + 46128^2 .

It is a cyclic number.

It is not a de Polignac number, because 5512123009 - 2¹ = 5512123007 is a prime.

Together with 5512123007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5512123007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2756061504 + 2756061505.

It is an arithmetic number, because the mean of its divisors is an integer number (2756061505).

Almost surely, 2^5512123009 is an apocalyptic number.

It is an amenable number.

5512123009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5512123009 is an equidigital number, since it uses as much as digits as its factorization.

5512123009 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 28.

The square root of 5512123009 is about 74243.6731917273. The cubic root of 5512123009 is about 1766.4701385080.

The spelling of 5512123009 in words is "five billion, five hundred twelve million, one hundred twenty-three thousand, nine".