11006061509 has 2 divisors, whose sum is σ = 11006061510. Its totient is φ = 11006061508.

The previous prime is 11006061497. The next prime is 11006061553. The reversal of 11006061509 is 90516060011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10859724100 + 146337409 = 104210^2 + 12097^2 .

It is a cyclic number.

It is not a de Polignac number, because 11006061509 - 2³² = 6711094213 is a prime.

It is a super-2 number, since 2×11006061509² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11006061559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5503030754 + 5503030755.

It is an arithmetic number, because the mean of its divisors is an integer number (5503030755).

Almost surely, 2^11006061509 is an apocalyptic number.

It is an amenable number.

11006061509 is a deficient number, since it is larger than the sum of its proper divisors (1).

11006061509 is an equidigital number, since it uses as much as digits as its factorization.

11006061509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The spelling of 11006061509 in words is "eleven billion, six million, sixty-one thousand, five hundred nine".