13266898881 has 4 divisors (see below), whose sum is σ = 17689198512. Its totient is φ = 8844599252.

The previous prime is 13266898871. The next prime is 13266898961. The reversal of 13266898881 is 18889866231.

13266898881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13266898881 - 2¹⁹ = 13266374593 is a prime.

It is a super-2 number, since 2×13266898881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13266898871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211149811 + ... + 2211149816.

It is an arithmetic number, because the mean of its divisors is an integer number (4422299628).

Almost surely, 2^13266898881 is an apocalyptic number.

It is an amenable number.

13266898881 is a deficient number, since it is larger than the sum of its proper divisors (4422299631).

13266898881 is an equidigital number, since it uses as much as digits as its factorization.

13266898881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422299630.

The product of its digits is 7962624, while the sum is 60.

The spelling of 13266898881 in words is "thirteen billion, two hundred sixty-six million, eight hundred ninety-eight thousand, eight hundred eighty-one".