13201320255 has 8 divisors (see below), whose sum is σ = 21122112432. Its totient is φ = 7040704128.

The previous prime is 13201320211. The next prime is 13201320257. The reversal of 13201320255 is 55202310231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13201320255 - 2⁷ = 13201320127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201320257) 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, 440043994 + ... + 440044023.

It is an arithmetic number, because the mean of its divisors is an integer number (2640264054).

Almost surely, 2^13201320255 is an apocalyptic number.

13201320255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13201320255 is a deficient number, since it is larger than the sum of its proper divisors (7920792177).

13201320255 is an equidigital number, since it uses as much as digits as its factorization.

13201320255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880088025.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 13201320255 its reverse (55202310231), we get a palindrome (68403630486).

The spelling of 13201320255 in words is "thirteen billion, two hundred one million, three hundred twenty thousand, two hundred fifty-five".