26068668541 has 4 divisors (see below), whose sum is σ = 26068996800. Its totient is φ = 26068340284.

The previous prime is 26068668523. The next prime is 26068668551. The reversal of 26068668541 is 14586686062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26068668541 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 (26068668551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37830 + ... + 231448.

It is an arithmetic number, because the mean of its divisors is an integer number (6517249200).

Almost surely, 2^26068668541 is an apocalyptic number.

It is an amenable number.

26068668541 is a deficient number, since it is larger than the sum of its proper divisors (328259).

26068668541 is a wasteful number, since it uses less digits than its factorization.

26068668541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328258.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 26068668541 in words is "twenty-six billion, sixty-eight million, six hundred sixty-eight thousand, five hundred forty-one".