1136809297809 has 12 divisors (see below), whose sum is σ = 1702874833296. Its totient is φ = 757872865044.

The previous prime is 1136809297787. The next prime is 1136809297837. The reversal of 1136809297809 is 9087929086311.

It is not a de Polignac number, because 1136809297809 - 2²⁴ = 1136792520593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1136809297109) 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 in 11 ways as a sum of consecutive naturals, for example, 2339113539 + ... + 2339114024.

It is an arithmetic number, because the mean of its divisors is an integer number (141906236108).

Almost surely, 2^{1136809297809} is an apocalyptic number.

It is an amenable number.

1136809297809 is a deficient number, since it is larger than the sum of its proper divisors (566065535487).

1136809297809 is an frugal number, since it uses more digits than its factorization.

1136809297809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678227578 (or 4678227566 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 1136809297809 in words is "one trillion, one hundred thirty-six billion, eight hundred nine million, two hundred ninety-seven thousand, eight hundred nine".