13133006261 has 2 divisors, whose sum is σ = 13133006262. Its totient is φ = 13133006260.

The previous prime is 13133006221. The next prime is 13133006269. The reversal of 13133006261 is 16260033131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12971843236 + 161163025 = 113894^2 + 12695^2 .

It is an emirp because it is prime and its reverse (16260033131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13133006261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13133006261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13133006269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6566503130 + 6566503131.

It is an arithmetic number, because the mean of its divisors is an integer number (6566503131).

Almost surely, 2^13133006261 is an apocalyptic number.

It is an amenable number.

13133006261 is a deficient number, since it is larger than the sum of its proper divisors (1).

13133006261 is an equidigital number, since it uses as much as digits as its factorization.

13133006261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13133006261 its reverse (16260033131), we get a palindrome (29393039392).

The spelling of 13133006261 in words is "thirteen billion, one hundred thirty-three million, six thousand, two hundred sixty-one".