13201266544 has 10 divisors (see below), whose sum is σ = 25577453960. Its totient is φ = 6600633264.

The previous prime is 13201266539. The next prime is 13201266571. The reversal of 13201266544 is 44566210231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412539564 + ... + 412539595.

It is an arithmetic number, because the mean of its divisors is an integer number (2557745396).

Almost surely, 2^13201266544 is an apocalyptic number.

It is an amenable number.

13201266544 is a deficient number, since it is larger than the sum of its proper divisors (12376187416).

13201266544 is an equidigital number, since it uses as much as digits as its factorization.

13201266544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825079167 (or 825079161 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 13201266544 its reverse (44566210231), we get a palindrome (57767476775).

The spelling of 13201266544 in words is "thirteen billion, two hundred one million, two hundred sixty-six thousand, five hundred forty-four".