13500223052 has 12 divisors (see below), whose sum is σ = 24012692256. Its totient is φ = 6639453840.

The previous prime is 13500223027. The next prime is 13500223067. The reversal of 13500223052 is 25032200531.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27664148 + ... + 27664635.

It is an arithmetic number, because the mean of its divisors is an integer number (2001057688).

Almost surely, 2^13500223052 is an apocalyptic number.

It is an amenable number.

13500223052 is a deficient number, since it is larger than the sum of its proper divisors (10512469204).

13500223052 is a wasteful number, since it uses less digits than its factorization.

13500223052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55328848 (or 55328846 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 13500223052 its reverse (25032200531), we get a palindrome (38532423583).

The spelling of 13500223052 in words is "thirteen billion, five hundred million, two hundred twenty-three thousand, fifty-two".