26855108266 has 12 divisors (see below), whose sum is σ = 46859423778. Its totient is φ = 11509332072.

The previous prime is 26855108257. The next prime is 26855108309. The reversal of 26855108266 is 66280155862.

It can be written as a sum of positive squares in only one way, i.e., 26385129225 + 469979041 = 162435^2 + 21679^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137015761 + ... + 137015956.

Almost surely, 2^26855108266 is an apocalyptic number.

26855108266 is a deficient number, since it is larger than the sum of its proper divisors (20004315512).

26855108266 is a wasteful number, since it uses less digits than its factorization.

26855108266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274031733 (or 274031726 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 26855108266 in words is "twenty-six billion, eight hundred fifty-five million, one hundred eight thousand, two hundred sixty-six".