26265613525 has 48 divisors (see below), whose sum is σ = 33579975744. Its totient is φ = 20373050880.

The previous prime is 26265613523. The next prime is 26265613529. The reversal of 26265613525 is 52531656262.

It is not a de Polignac number, because 26265613525 - 2¹ = 26265613523 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 (26265613523) 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 47 ways as a sum of consecutive naturals, for example, 48017302 + ... + 48017848.

It is an arithmetic number, because the mean of its divisors is an integer number (699582828).

Almost surely, 2^26265613525 is an apocalyptic number.

26265613525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26265613525 is a deficient number, since it is larger than the sum of its proper divisors (7314362219).

26265613525 is a wasteful number, since it uses less digits than its factorization.

26265613525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030 (or 1025 counting only the distinct ones).

The product of its digits is 648000, while the sum is 43.

The spelling of 26265613525 in words is "twenty-six billion, two hundred sixty-five million, six hundred thirteen thousand, five hundred twenty-five".