26621536321135 has 12 divisors (see below), whose sum is σ = 37161491518008. Its totient is φ = 18254767762896.

The previous prime is 26621536321111. The next prime is 26621536321139. The reversal of 26621536321135 is 53112363512662.

It is not a de Polignac number, because 26621536321135 - 2²¹ = 26621534223983 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 (26621536321139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54329665717 + ... + 54329666206.

It is an arithmetic number, because the mean of its divisors is an integer number (3096790959834).

Almost surely, 2^{26621536321135} is an apocalyptic number.

26621536321135 is a deficient number, since it is larger than the sum of its proper divisors (10539955196873).

26621536321135 is a wasteful number, since it uses less digits than its factorization.

26621536321135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108659331942 (or 108659331935 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 46.

Adding to 26621536321135 its reverse (53112363512662), we get a palindrome (79733899833797).

The spelling of 26621536321135 in words is "twenty-six trillion, six hundred twenty-one billion, five hundred thirty-six million, three hundred twenty-one thousand, one hundred thirty-five".