11520109065 has 8 divisors (see below), whose sum is σ = 18432174528. Its totient is φ = 6144058160.

The previous prime is 11520109009. The next prime is 11520109093. The reversal of 11520109065 is 56090102511.

11520109065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11520109065 - 2⁶ = 11520109001 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384003621 + ... + 384003650.

It is an arithmetic number, because the mean of its divisors is an integer number (2304021816).

Almost surely, 2^11520109065 is an apocalyptic number.

11520109065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11520109065 is a deficient number, since it is larger than the sum of its proper divisors (6912065463).

11520109065 is an equidigital number, since it uses as much as digits as its factorization.

11520109065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768007279.

The product of its (nonzero) digits is 2700, while the sum is 30.

The spelling of 11520109065 in words is "eleven billion, five hundred twenty million, one hundred nine thousand, sixty-five".