26238251525 has 6 divisors (see below), whose sum is σ = 32535431922. Its totient is φ = 20990601200.

The previous prime is 26238251509. The next prime is 26238251527. The reversal of 26238251525 is 52515283262.

It can be written as a sum of positive squares in 3 ways, for example, as 10125124 + 26228126401 = 3182^2 + 161951^2 .

It is not a de Polignac number, because 26238251525 - 2⁴ = 26238251509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26238251527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 524765006 + ... + 524765055.

It is an arithmetic number, because the mean of its divisors is an integer number (5422571987).

Almost surely, 2^26238251525 is an apocalyptic number.

26238251525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26238251525 is a deficient number, since it is larger than the sum of its proper divisors (6297180397).

26238251525 is a wasteful number, since it uses less digits than its factorization.

26238251525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049530071 (or 1049530066 counting only the distinct ones).

The product of its digits is 288000, while the sum is 41.

The spelling of 26238251525 in words is "twenty-six billion, two hundred thirty-eight million, two hundred fifty-one thousand, five hundred twenty-five".