13225506261 has 8 divisors (see below), whose sum is σ = 19237100064. Its totient is φ = 8015458320.

The previous prime is 13225506247. The next prime is 13225506271. The reversal of 13225506261 is 16260552231.

13225506261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13225506261 - 2¹¹ = 13225504213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 400772917 = 13225506261 / (1 + 3 + 2 + 2 + 5 + 5 + 0 + 6 + 2 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225506221) 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 7 ways as a sum of consecutive naturals, for example, 200386426 + ... + 200386491.

It is an arithmetic number, because the mean of its divisors is an integer number (2404637508).

Almost surely, 2^13225506261 is an apocalyptic number.

13225506261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13225506261 is a deficient number, since it is larger than the sum of its proper divisors (6011593803).

13225506261 is a wasteful number, since it uses less digits than its factorization.

13225506261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400772931.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 13225506261 in words is "thirteen billion, two hundred twenty-five million, five hundred six thousand, two hundred sixty-one".