13500266326 has 16 divisors (see below), whose sum is σ = 20748668688. Its totient is φ = 6584457600.

The previous prime is 13500266309. The next prime is 13500266359. The reversal of 13500266326 is 62366200531.

It is a junction number, because it is equal to n+sod(n) for n = 13500266291 and 13500266300.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 37695 + ... + 168586.

It is an arithmetic number, because the mean of its divisors is an integer number (1296791793).

Almost surely, 2^13500266326 is an apocalyptic number.

13500266326 is a deficient number, since it is larger than the sum of its proper divisors (7248402362).

13500266326 is a wasteful number, since it uses less digits than its factorization.

13500266326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207087.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 13500266326 its reverse (62366200531), we get a palindrome (75866466857).

The spelling of 13500266326 in words is "thirteen billion, five hundred million, two hundred sixty-six thousand, three hundred twenty-six".