11500223105 has 8 divisors (see below), whose sum is σ = 15771734592. Its totient is φ = 7885867248.

The previous prime is 11500223101. The next prime is 11500223143. The reversal of 11500223105 is 50132200511.

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 11500223105 - 2² = 11500223101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11500223101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164288867 + ... + 164288936.

It is an arithmetic number, because the mean of its divisors is an integer number (1971466824).

Almost surely, 2^11500223105 is an apocalyptic number.

It is an amenable number.

11500223105 is a deficient number, since it is larger than the sum of its proper divisors (4271511487).

11500223105 is an equidigital number, since it uses as much as digits as its factorization.

11500223105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328577815.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 11500223105 its reverse (50132200511), we get a palindrome (61632423616).

The spelling of 11500223105 in words is "eleven billion, five hundred million, two hundred twenty-three thousand, one hundred five".