26611688205879 has 12 divisors (see below), whose sum is σ = 41275271503224. Its totient is φ = 15206678974704.

The previous prime is 26611688205871. The next prime is 26611688205929. The reversal of 26611688205879 is 97850288611662.

It is not a de Polignac number, because 26611688205879 - 2³ = 26611688205871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26611688205871) 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, 90515946132 + ... + 90515946425.

It is an arithmetic number, because the mean of its divisors is an integer number (3439605958602).

Almost surely, 2^{26611688205879} is an apocalyptic number.

26611688205879 is a deficient number, since it is larger than the sum of its proper divisors (14663583297345).

26611688205879 is a wasteful number, since it uses less digits than its factorization.

26611688205879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181031892574 (or 181031892567 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 69.

The spelling of 26611688205879 in words is "twenty-six trillion, six hundred eleven billion, six hundred eighty-eight million, two hundred five thousand, eight hundred seventy-nine".