26266266266263 has 8 divisors (see below), whose sum is σ = 26878399222928. Its totient is φ = 25654191925824.

The previous prime is 26266266266257. The next prime is 26266266266419. The reversal of 26266266266263 is 36266266266262.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26266266266263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26266266266213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13746756 + ... + 15540457.

It is an arithmetic number, because the mean of its divisors is an integer number (3359799902866).

Almost surely, 2^{26266266266263} is an apocalyptic number.

26266266266263 is a deficient number, since it is larger than the sum of its proper divisors (612132956665).

26266266266263 is a wasteful number, since it uses less digits than its factorization.

26266266266263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29308113.

The product of its digits is 161243136, while the sum is 61.

Subtracting 26266266266263 from its reverse (36266266266262), we obtain a palindrome (9999999999999).

The spelling of 26266266266263 in words is "twenty-six trillion, two hundred sixty-six billion, two hundred sixty-six million, two hundred sixty-six thousand, two hundred sixty-three".