264533223505 has 16 divisors (see below), whose sum is σ = 317804636160. Its totient is φ = 211383536832.

The previous prime is 264533223491. The next prime is 264533223511. The reversal of 264533223505 is 505322335462.

264533223505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 264533223505 - 2⁷ = 264533223377 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21006751 + ... + 21019339.

It is an arithmetic number, because the mean of its divisors is an integer number (19862789760).

Almost surely, 2^264533223505 is an apocalyptic number.

It is an amenable number.

264533223505 is a deficient number, since it is larger than the sum of its proper divisors (53271412655).

264533223505 is a wasteful number, since it uses less digits than its factorization.

264533223505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17088.

The product of its (nonzero) digits is 648000, while the sum is 40.

Adding to 264533223505 its reverse (505322335462), we get a palindrome (769855558967).

The spelling of 264533223505 in words is "two hundred sixty-four billion, five hundred thirty-three million, two hundred twenty-three thousand, five hundred five".