26263321205 has 8 divisors (see below), whose sum is σ = 34381075104. Its totient is φ = 19100597200.

The previous prime is 26263321181. The next prime is 26263321207. The reversal of 26263321205 is 50212336262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26263321205 - 2⁶ = 26263321141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26263321207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238757411 + ... + 238757520.

It is an arithmetic number, because the mean of its divisors is an integer number (4297634388).

Almost surely, 2^26263321205 is an apocalyptic number.

It is an amenable number.

26263321205 is a deficient number, since it is larger than the sum of its proper divisors (8117753899).

26263321205 is a wasteful number, since it uses less digits than its factorization.

26263321205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477514947.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 26263321205 its reverse (50212336262), we get a palindrome (76475657467).

The spelling of 26263321205 in words is "twenty-six billion, two hundred sixty-three million, three hundred twenty-one thousand, two hundred five".