11023312345 has 16 divisors (see below), whose sum is σ = 13354352640. Its totient is φ = 8734630464.

The previous prime is 11023312303. The next prime is 11023312361. The reversal of 11023312345 is 54321332011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11023312345 - 2⁷ = 11023312217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375096 + ... + 403414.

It is an arithmetic number, because the mean of its divisors is an integer number (834647040).

Almost surely, 2^11023312345 is an apocalyptic number.

It is an amenable number.

11023312345 is a deficient number, since it is larger than the sum of its proper divisors (2331040295).

11023312345 is a wasteful number, since it uses less digits than its factorization.

11023312345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29064.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 11023312345 its reverse (54321332011), we get a palindrome (65344644356).

The spelling of 11023312345 in words is "eleven billion, twenty-three million, three hundred twelve thousand, three hundred forty-five".