26603241025 has 9 divisors (see below), whose sum is σ = 32989030153. Its totient is φ = 21281940400.

The previous prime is 26603240987. The next prime is 26603241037. The reversal of 26603241025 is 52014230662.

The square root of 26603241025 is 163105.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 55100929 + 26548140096 = 7423^2 + 162936^2 .

It is not a de Polignac number, because 26603241025 - 2²⁵ = 26569686593 is a prime.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 799215 + ... + 831835.

Almost surely, 2^26603241025 is an apocalyptic number.

26603241025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26603241025 is the 163105-th square number.

26603241025 is the 81553-rd centered octagonal number.

It is an amenable number.

26603241025 is a deficient number, since it is larger than the sum of its proper divisors (6385789128).

26603241025 is an frugal number, since it uses more digits than its factorization.

26603241025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65252 (or 32626 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 26603241025 its reverse (52014230662), we get a palindrome (78617471687).

The spelling of 26603241025 in words is "twenty-six billion, six hundred three million, two hundred forty-one thousand, twenty-five".