26803803311 has 4 divisors (see below), whose sum is σ = 26910591624. Its totient is φ = 26697015000.

The previous prime is 26803803307. The next prime is 26803803331. The reversal of 26803803311 is 11330830862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26803803311 - 2² = 26803803307 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 (26803803331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53393780 + ... + 53394281.

It is an arithmetic number, because the mean of its divisors is an integer number (6727647906).

Almost surely, 2^26803803311 is an apocalyptic number.

26803803311 is a deficient number, since it is larger than the sum of its proper divisors (106788313).

26803803311 is a wasteful number, since it uses less digits than its factorization.

26803803311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106788312.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 26803803311 in words is "twenty-six billion, eight hundred three million, eight hundred three thousand, three hundred eleven".