13011203266 has 16 divisors (see below), whose sum is σ = 20711523744. Its totient is φ = 6109090624.

The previous prime is 13011203263. The next prime is 13011203267. The reversal of 13011203266 is 66230211031.

It is a self number, because there is not a number n which added to its sum of digits gives 13011203266.

It is not an unprimeable number, because it can be changed into a prime (13011203263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416860 + ... + 446983.

It is an arithmetic number, because the mean of its divisors is an integer number (1294470234).

Almost surely, 2^13011203266 is an apocalyptic number.

13011203266 is a deficient number, since it is larger than the sum of its proper divisors (7700320478).

13011203266 is a wasteful number, since it uses less digits than its factorization.

13011203266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864305.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13011203266 its reverse (66230211031), we get a palindrome (79241414297).

The spelling of 13011203266 in words is "thirteen billion, eleven million, two hundred three thousand, two hundred sixty-six".