26265321625 has 16 divisors (see below), whose sum is σ = 32975429760. Its totient is φ = 20886418800.

The previous prime is 26265321613. The next prime is 26265321629. The reversal of 26265321625 is 52612356262.

It is not a de Polignac number, because 26265321625 - 2¹⁵ = 26265288857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26265321629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608235 + ... + 649984.

It is an arithmetic number, because the mean of its divisors is an integer number (2060964360).

Almost surely, 2^26265321625 is an apocalyptic number.

26265321625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26265321625 is a deficient number, since it is larger than the sum of its proper divisors (6710108135).

26265321625 is a wasteful number, since it uses less digits than its factorization.

26265321625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258401 (or 1258391 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

Adding to 26265321625 its reverse (52612356262), we get a palindrome (78877677887).

The spelling of 26265321625 in words is "twenty-six billion, two hundred sixty-five million, three hundred twenty-one thousand, six hundred twenty-five".