13202275261 has 12 divisors (see below), whose sum is σ = 15384398268. Its totient is φ = 11296599552.

The previous prime is 13202275223. The next prime is 13202275277. The reversal of 13202275261 is 16257220231.

It can be written as a sum of positive squares in 2 ways, for example, as 10101456036 + 3100819225 = 100506^2 + 55685^2 .

It is not a de Polignac number, because 13202275261 - 2¹¹ = 13202273213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13202275211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205206 + ... + 261751.

It is an arithmetic number, because the mean of its divisors is an integer number (1282033189).

Almost surely, 2^13202275261 is an apocalyptic number.

It is an amenable number.

13202275261 is a deficient number, since it is larger than the sum of its proper divisors (2182123007).

13202275261 is an equidigital number, since it uses as much as digits as its factorization.

13202275261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467548 (or 467541 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 13202275261 its reverse (16257220231), we get a palindrome (29459495492).

The spelling of 13202275261 in words is "thirteen billion, two hundred two million, two hundred seventy-five thousand, two hundred sixty-one".