26543015164135 has 4 divisors (see below), whose sum is σ = 31851618196968. Its totient is φ = 21234412131304.

The previous prime is 26543015164129. The next prime is 26543015164151. The reversal of 26543015164135 is 53146151034562.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26543015164135 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 2654301516409 + ... + 2654301516418.

It is an arithmetic number, because the mean of its divisors is an integer number (7962904549242).

Almost surely, 2^{26543015164135} is an apocalyptic number.

26543015164135 is a deficient number, since it is larger than the sum of its proper divisors (5308603032833).

26543015164135 is an equidigital number, since it uses as much as digits as its factorization.

26543015164135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308603032832.

The product of its (nonzero) digits is 1296000, while the sum is 46.

Adding to 26543015164135 its reverse (53146151034562), we get a palindrome (79689166198697).

The spelling of 26543015164135 in words is "twenty-six trillion, five hundred forty-three billion, fifteen million, one hundred sixty-four thousand, one hundred thirty-five".