11323215045 has 32 divisors (see below), whose sum is σ = 20136695040. Its totient is φ = 6037087680.

The previous prime is 11323215011. The next prime is 11323215047. The reversal of 11323215045 is 54051232311.

11323215045 is a `hidden beast` number, since 1 + 132 + 3 + 21 + 504 + 5 = 666.

It is not a de Polignac number, because 11323215045 - 2⁹ = 11323214533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323215047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466192 + ... + 489878.

It is an arithmetic number, because the mean of its divisors is an integer number (629271720).

Almost surely, 2^11323215045 is an apocalyptic number.

11323215045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11323215045 is a deficient number, since it is larger than the sum of its proper divisors (8813479995).

11323215045 is a wasteful number, since it uses less digits than its factorization.

11323215045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27242 (or 27236 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 11323215045 its reverse (54051232311), we get a palindrome (65374447356).

The spelling of 11323215045 in words is "eleven billion, three hundred twenty-three million, two hundred fifteen thousand, forty-five".