26663121113 has 16 divisors (see below), whose sum is σ = 28791754560. Its totient is φ = 24599156736.

The previous prime is 26663121091. The next prime is 26663121127. The reversal of 26663121113 is 31112136662.

It is a cyclic number.

It is not a de Polignac number, because 26663121113 - 2⁸ = 26663120857 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26663121113.

It is not an unprimeable number, because it can be changed into a prime (26663121193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316406 + ... + 391712.

It is an arithmetic number, because the mean of its divisors is an integer number (1799484660).

Almost surely, 2^26663121113 is an apocalyptic number.

It is an amenable number.

26663121113 is a deficient number, since it is larger than the sum of its proper divisors (2128633447).

26663121113 is a wasteful number, since it uses less digits than its factorization.

26663121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75736.

The product of its digits is 7776, while the sum is 32.

Adding to 26663121113 its reverse (31112136662), we get a palindrome (57775257775).

The spelling of 26663121113 in words is "twenty-six billion, six hundred sixty-three million, one hundred twenty-one thousand, one hundred thirteen".