5001010501009 has 2 divisors, whose sum is σ = 5001010501010. Its totient is φ = 5001010501008.

The previous prime is 5001010500923. The next prime is 5001010501063. The reversal of 5001010501009 is 9001050101005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3845901443409 + 1155109057600 = 1961097^2 + 1074760^2 .

It is a cyclic number.

It is not a de Polignac number, because 5001010501009 - 2²¹ = 5001008403857 is a prime.

It is not a weakly prime, because it can be changed into another prime (5001010531009) 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, 2500505250504 + 2500505250505.

It is an arithmetic number, because the mean of its divisors is an integer number (2500505250505).

Almost surely, 2^{5001010501009} is an apocalyptic number.

It is an amenable number.

5001010501009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5001010501009 is an equidigital number, since it uses as much as digits as its factorization.

5001010501009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 22.

The spelling of 5001010501009 in words is "five trillion, one billion, ten million, five hundred one thousand, nine".