26143312133 has 4 divisors (see below), whose sum is σ = 26182863948. Its totient is φ = 26103760320.

The previous prime is 26143312003. The next prime is 26143312141. The reversal of 26143312133 is 33121334162.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11375715649 + 14767596484 = 106657^2 + 121522^2 .

It is a cyclic number.

It is not a de Polignac number, because 26143312133 - 2¹⁰ = 26143311109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26143312096 and 26143312105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26143212133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19774916 + ... + 19776237.

It is an arithmetic number, because the mean of its divisors is an integer number (6545715987).

Almost surely, 2^26143312133 is an apocalyptic number.

It is an amenable number.

26143312133 is a deficient number, since it is larger than the sum of its proper divisors (39551815).

26143312133 is an equidigital number, since it uses as much as digits as its factorization.

26143312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39551814.

The product of its digits is 7776, while the sum is 29.

Adding to 26143312133 its reverse (33121334162), we get a palindrome (59264646295).

The spelling of 26143312133 in words is "twenty-six billion, one hundred forty-three million, three hundred twelve thousand, one hundred thirty-three".