26450050505 has 8 divisors (see below), whose sum is σ = 31788082824. Its totient is φ = 21128025600.

The previous prime is 26450050493. The next prime is 26450050567. The reversal of 26450050505 is 50505005462.

It can be written as a sum of positive squares in 4 ways, for example, as 11990469001 + 14459581504 = 109501^2 + 120248^2 .

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

It is not a de Polignac number, because 26450050505 - 2⁴ = 26450050489 is a prime.

It is a Duffinian number.

26450050505 is a modest number, since divided by 50505 gives 26450 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3998216 + ... + 4004825.

It is an arithmetic number, because the mean of its divisors is an integer number (3973510353).

Almost surely, 2^26450050505 is an apocalyptic number.

It is an amenable number.

26450050505 is a deficient number, since it is larger than the sum of its proper divisors (5338032319).

26450050505 is an equidigital number, since it uses as much as digits as its factorization.

26450050505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8003707.

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 26450050505 its reverse (50505005462), we get a palindrome (76955055967).

The spelling of 26450050505 in words is "twenty-six billion, four hundred fifty million, fifty thousand, five hundred five".