11323065599 has 4 divisors (see below), whose sum is σ = 11919016440. Its totient is φ = 10727114760.

The previous prime is 11323065541. The next prime is 11323065643. The reversal of 11323065599 is 99556032311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11323065599 - 2¹⁶ = 11323000063 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 (11323065199) 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, 297975392 + ... + 297975429.

It is an arithmetic number, because the mean of its divisors is an integer number (2979754110).

Almost surely, 2^11323065599 is an apocalyptic number.

11323065599 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11323065599 is a deficient number, since it is larger than the sum of its proper divisors (595950841).

11323065599 is an equidigital number, since it uses as much as digits as its factorization.

11323065599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595950840.

The product of its (nonzero) digits is 218700, while the sum is 44.

The spelling of 11323065599 in words is "eleven billion, three hundred twenty-three million, sixty-five thousand, five hundred ninety-nine".