11419505065 has 8 divisors (see below), whose sum is σ = 13721853888. Its totient is φ = 9123305520.

The previous prime is 11419505059. The next prime is 11419505087. The reversal of 11419505065 is 56050591411.

11419505065 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 11419505065 - 2⁹ = 11419504553 is a prime.

It is a Duffinian number.

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, 1533231 + ... + 1540660.

It is an arithmetic number, because the mean of its divisors is an integer number (1715231736).

Almost surely, 2^11419505065 is an apocalyptic number.

It is an amenable number.

11419505065 is a deficient number, since it is larger than the sum of its proper divisors (2302348823).

11419505065 is an equidigital number, since it uses as much as digits as its factorization.

11419505065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074639.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 11419505065 in words is "eleven billion, four hundred nineteen million, five hundred five thousand, sixty-five".