13320261255 has 64 divisors (see below), whose sum is σ = 24533296128. Its totient is φ = 6045373440.

The previous prime is 13320261221. The next prime is 13320261259. The reversal of 13320261255 is 55216202331.

It is not a de Polignac number, because 13320261255 - 2¹⁴ = 13320244871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320261259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12894219 + ... + 12895251.

It is an arithmetic number, because the mean of its divisors is an integer number (383332752).

Almost surely, 2^13320261255 is an apocalyptic number.

13320261255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13320261255 is a deficient number, since it is larger than the sum of its proper divisors (11213034873).

13320261255 is a wasteful number, since it uses less digits than its factorization.

13320261255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 13320261255 its reverse (55216202331), we get a palindrome (68536463586).

The spelling of 13320261255 in words is "thirteen billion, three hundred twenty million, two hundred sixty-one thousand, two hundred fifty-five".