26621536321136 has 40 divisors (see below), whose sum is σ = 52149040716528. Its totient is φ = 13164018560000.

The previous prime is 26621536321111. The next prime is 26621536321139. The reversal of 26621536321136 is 63112363512662.

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 7 ways as a sum of consecutive naturals, for example, 7925750 + ... + 10773141.

Almost surely, 2^{26621536321136} is an apocalyptic number.

It is an amenable number.

26621536321136 is a deficient number, since it is larger than the sum of its proper divisors (25527504395392).

26621536321136 is a wasteful number, since it uses less digits than its factorization.

26621536321136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18699881 (or 18699875 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 47.

Adding to 26621536321136 its reverse (63112363512662), we get a palindrome (89733899833798).

The spelling of 26621536321136 in words is "twenty-six trillion, six hundred twenty-one billion, five hundred thirty-six million, three hundred twenty-one thousand, one hundred thirty-six".