26303320105 has 4 divisors (see below), whose sum is σ = 31563984132. Its totient is φ = 21042656080.

The previous prime is 26303320103. The next prime is 26303320133. The reversal of 26303320105 is 50102330362.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18547171344 + 7756148761 = 136188^2 + 88069^2 .

It is not a de Polignac number, because 26303320105 - 2¹ = 26303320103 is a prime.

It is a super-2 number, since 2×26303320105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26303320105.

It is not an unprimeable number, because it can be changed into a prime (26303320103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2630332006 + ... + 2630332015.

It is an arithmetic number, because the mean of its divisors is an integer number (7890996033).

Almost surely, 2^26303320105 is an apocalyptic number.

It is an amenable number.

26303320105 is a deficient number, since it is larger than the sum of its proper divisors (5260664027).

26303320105 is an equidigital number, since it uses as much as digits as its factorization.

26303320105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260664026.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 26303320105 its reverse (50102330362), we get a palindrome (76405650467).

The spelling of 26303320105 in words is "twenty-six billion, three hundred three million, three hundred twenty thousand, one hundred five".