10011001092809 has 2 divisors, whose sum is σ = 10011001092810. Its totient is φ = 10011001092808.

The previous prime is 10011001092739. The next prime is 10011001092871. The reversal of 10011001092809 is 90829010011001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5102990640400 + 4908010452409 = 2258980^2 + 2215403^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011001092809 - 2¹² = 10011001088713 is a prime.

It is not a weakly prime, because it can be changed into another prime (10011001092709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005500546404 + 5005500546405.

It is an arithmetic number, because the mean of its divisors is an integer number (5005500546405).

Almost surely, 2^{10011001092809} is an apocalyptic number.

It is an amenable number.

10011001092809 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011001092809 is an equidigital number, since it uses as much as digits as its factorization.

10011001092809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 10011001092809 in words is "ten trillion, eleven billion, one million, ninety-two thousand, eight hundred nine".