26201404055 has 4 divisors (see below), whose sum is σ = 31441684872. Its totient is φ = 20961123240.

The previous prime is 26201404027. The next prime is 26201404069. The reversal of 26201404055 is 55040410262.

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

It is a de Polignac number, because none of the positive numbers 2^k-26201404055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 2620140401 + ... + 2620140410.

It is an arithmetic number, because the mean of its divisors is an integer number (7860421218).

Almost surely, 2^26201404055 is an apocalyptic number.

26201404055 is a deficient number, since it is larger than the sum of its proper divisors (5240280817).

26201404055 is an equidigital number, since it uses as much as digits as its factorization.

26201404055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240280816.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 26201404055 in words is "twenty-six billion, two hundred one million, four hundred four thousand, fifty-five".