10909086927509 has 4 divisors (see below), whose sum is σ = 11383395054816. Its totient is φ = 10434778800204.

The previous prime is 10909086927503. The next prime is 10909086927517. The reversal of 10909086927509 is 90572968090901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10909086927509 - 2⁸ = 10909086927253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10909086927503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237154063619 + ... + 237154063664.

It is an arithmetic number, because the mean of its divisors is an integer number (2845848763704).

Almost surely, 2^{10909086927509} is an apocalyptic number.

It is an amenable number.

10909086927509 is a deficient number, since it is larger than the sum of its proper divisors (474308127307).

10909086927509 is an equidigital number, since it uses as much as digits as its factorization.

10909086927509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474308127306.

The product of its (nonzero) digits is 22044960, while the sum is 65.

The spelling of 10909086927509 in words is "ten trillion, nine hundred nine billion, eighty-six million, nine hundred twenty-seven thousand, five hundred nine".