611016010009 has 2 divisors, whose sum is σ = 611016010010. Its totient is φ = 611016010008.

The previous prime is 611016009991. The next prime is 611016010051. The reversal of 611016010009 is 900010610116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452236075225 + 158779934784 = 672485^2 + 398472^2 .

It is a cyclic number.

It is not a de Polignac number, because 611016010009 - 2¹¹ = 611016007961 is a prime.

It is not a weakly prime, because it can be changed into another prime (611016013009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305508005004 + 305508005005.

It is an arithmetic number, because the mean of its divisors is an integer number (305508005005).

Almost surely, 2^611016010009 is an apocalyptic number.

It is an amenable number.

611016010009 is a deficient number, since it is larger than the sum of its proper divisors (1).

611016010009 is an equidigital number, since it uses as much as digits as its factorization.

611016010009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 611016010009 in words is "six hundred eleven billion, sixteen million, ten thousand, nine".