26315530133 has 2 divisors, whose sum is σ = 26315530134. Its totient is φ = 26315530132.

The previous prime is 26315530123. The next prime is 26315530141. The reversal of 26315530133 is 33103551362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16275890929 + 10039639204 = 127577^2 + 100198^2 .

It is a cyclic number.

It is not a de Polignac number, because 26315530133 - 2¹⁰ = 26315529109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26315530133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26315530123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13157765066 + 13157765067.

It is an arithmetic number, because the mean of its divisors is an integer number (13157765067).

Almost surely, 2^26315530133 is an apocalyptic number.

It is an amenable number.

26315530133 is a deficient number, since it is larger than the sum of its proper divisors (1).

26315530133 is an equidigital number, since it uses as much as digits as its factorization.

26315530133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 32.

The spelling of 26315530133 in words is "twenty-six billion, three hundred fifteen million, five hundred thirty thousand, one hundred thirty-three".