26355466455361 has 4 divisors (see below), whose sum is σ = 26358644501332. Its totient is φ = 26352288409392.

The previous prime is 26355466455337. The next prime is 26355466455371. The reversal of 26355466455361 is 16355466455362.

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 19294223165361 + 7061243290000 = 4392519^2 + 2657300^2 .

It is a cyclic number.

It is not a de Polignac number, because 26355466455361 - 2⁷ = 26355466455233 is a prime.

It is a super-2 number, since 2×26355466455361² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26355466455361.

It is not an unprimeable number, because it can be changed into a prime (26355466455371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1589010546 + ... + 1589027131.

It is an arithmetic number, because the mean of its divisors is an integer number (6589661125333).

Almost surely, 2^{26355466455361} is an apocalyptic number.

It is an amenable number.

26355466455361 is a deficient number, since it is larger than the sum of its proper divisors (3178045971).

26355466455361 is an equidigital number, since it uses as much as digits as its factorization.

26355466455361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178045970.

The product of its digits is 233280000, while the sum is 61.

Subtracting from 26355466455361 its reverse (16355466455362), we obtain a palindrome (9999999999999).

The spelling of 26355466455361 in words is "twenty-six trillion, three hundred fifty-five billion, four hundred sixty-six million, four hundred fifty-five thousand, three hundred sixty-one".