26643225025223 has 4 divisors (see below), whose sum is σ = 26643235434960. Its totient is φ = 26643214615488.

The previous prime is 26643225025199. The next prime is 26643225025243. The reversal of 26643225025223 is 32252052234662.

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 26643225025223 - 2⁸ = 26643225024967 is a prime.

It is a super-2 number, since 2×26643225025223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26643225025243) 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, 1599086 + ... + 7472852.

It is an arithmetic number, because the mean of its divisors is an integer number (6660808858740).

Almost surely, 2^{26643225025223} is an apocalyptic number.

26643225025223 is a deficient number, since it is larger than the sum of its proper divisors (10409737).

26643225025223 is an equidigital number, since it uses as much as digits as its factorization.

26643225025223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10409736.

The product of its (nonzero) digits is 2073600, while the sum is 44.

Adding to 26643225025223 its reverse (32252052234662), we get a palindrome (58895277259885).

The spelling of 26643225025223 in words is "twenty-six trillion, six hundred forty-three billion, two hundred twenty-five million, twenty-five thousand, two hundred twenty-three".