11219023865 has 8 divisors (see below), whose sum is σ = 15386089920. Its totient is φ = 7693044912.

The previous prime is 11219023847. The next prime is 11219023913. The reversal of 11219023865 is 56832091211.

It is a happy number.

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

It is not a de Polignac number, because 11219023865 - 2¹⁸ = 11218761721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160271735 + ... + 160271804.

It is an arithmetic number, because the mean of its divisors is an integer number (1923261240).

Almost surely, 2^11219023865 is an apocalyptic number.

It is an amenable number.

11219023865 is a deficient number, since it is larger than the sum of its proper divisors (4167066055).

11219023865 is an equidigital number, since it uses as much as digits as its factorization.

11219023865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320543551.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 11219023865 in words is "eleven billion, two hundred nineteen million, twenty-three thousand, eight hundred sixty-five".