5051251032209 has 2 divisors, whose sum is σ = 5051251032210. Its totient is φ = 5051251032208.

The previous prime is 5051251032017. The next prime is 5051251032221. The reversal of 5051251032209 is 9022301521505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4308310468609 + 742940563600 = 2075647^2 + 861940^2 .

It is a cyclic number.

It is not a de Polignac number, because 5051251032209 - 2¹² = 5051251028113 is a prime.

It is not a weakly prime, because it can be changed into another prime (5051251032239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525625516104 + 2525625516105.

It is an arithmetic number, because the mean of its divisors is an integer number (2525625516105).

Almost surely, 2^{5051251032209} is an apocalyptic number.

It is an amenable number.

5051251032209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5051251032209 is an equidigital number, since it uses as much as digits as its factorization.

5051251032209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 5051251032209 in words is "five trillion, fifty-one billion, two hundred fifty-one million, thirty-two thousand, two hundred nine".