10909476865 has 32 divisors (see below), whose sum is σ = 15309388800. Its totient is φ = 7459970112.

The previous prime is 10909476839. The next prime is 10909476881. The reversal of 10909476865 is 56867490901.

It is not a de Polignac number, because 10909476865 - 2¹¹ = 10909474817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620739 + ... + 638071.

It is an arithmetic number, because the mean of its divisors is an integer number (478418400).

Almost surely, 2^10909476865 is an apocalyptic number.

It is an amenable number.

10909476865 is a deficient number, since it is larger than the sum of its proper divisors (4399911935).

10909476865 is an equidigital number, since it uses as much as digits as its factorization.

10909476865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17726 (or 17712 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 10909476865 in words is "ten billion, nine hundred nine million, four hundred seventy-six thousand, eight hundred sixty-five".