26686094655 has 32 divisors (see below), whose sum is σ = 48604561920. Its totient is φ = 12376158080.

The previous prime is 26686094629. The next prime is 26686094657. The reversal of 26686094655 is 55649068662.

It is not a de Polignac number, because 26686094655 - 2⁵ = 26686094623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26686094595 and 26686094604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26686094657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3512160 + ... + 3519749.

It is an arithmetic number, because the mean of its divisors is an integer number (1518892560).

Almost surely, 2^26686094655 is an apocalyptic number.

26686094655 is a deficient number, since it is larger than the sum of its proper divisors (21918467265).

26686094655 is a wasteful number, since it uses less digits than its factorization.

26686094655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031951.

The product of its (nonzero) digits is 18662400, while the sum is 57.

The spelling of 26686094655 in words is "twenty-six billion, six hundred eighty-six million, ninety-four thousand, six hundred fifty-five".