26243121077263 has 4 divisors (see below), whose sum is σ = 26243132344200. Its totient is φ = 26243109810328.

The previous prime is 26243121077249. The next prime is 26243121077291. The reversal of 26243121077263 is 36277012134262.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26243121077263 - 2⁹ = 26243121076751 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 (26243121074263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698788 + ... + 7278361.

It is an arithmetic number, because the mean of its divisors is an integer number (6560783086050).

Almost surely, 2^{26243121077263} is an apocalyptic number.

26243121077263 is a deficient number, since it is larger than the sum of its proper divisors (11266937).

26243121077263 is an equidigital number, since it uses as much as digits as its factorization.

26243121077263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11266936.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 26243121077263 in words is "twenty-six trillion, two hundred forty-three billion, one hundred twenty-one million, seventy-seven thousand, two hundred sixty-three".