26105321536 has 42 divisors (see below), whose sum is σ = 60260346078. Its totient is φ = 11187993600.

The previous prime is 26105321509. The next prime is 26105321549. The reversal of 26105321536 is 63512350162.

It can be written as a sum of positive squares in only one way, i.e., 24568681536 + 1536640000 = 156744^2 + 39200^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4159065 + ... + 4165336.

Almost surely, 2^26105321536 is an apocalyptic number.

It is an amenable number.

26105321536 is an abundant number, since it is smaller than the sum of its proper divisors (34155024542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26105321536 is an equidigital number, since it uses as much as digits as its factorization.

26105321536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8324427 (or 8324410 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 26105321536 its reverse (63512350162), we get a palindrome (89617671698).

The spelling of 26105321536 in words is "twenty-six billion, one hundred five million, three hundred twenty-one thousand, five hundred thirty-six".