26256057125 has 16 divisors (see below), whose sum is σ = 32834919936. Its totient is φ = 20961666000.

The previous prime is 26256057119. The next prime is 26256057143. The reversal of 26256057125 is 52175065262.

It is a de Polignac number, because none of the positive numbers 2^k-26256057125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 154781 + ... + 276530.

It is an arithmetic number, because the mean of its divisors is an integer number (2052182496).

Almost surely, 2^26256057125 is an apocalyptic number.

26256057125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26256057125 is a deficient number, since it is larger than the sum of its proper divisors (6578862811).

26256057125 is an equidigital number, since it uses as much as digits as its factorization.

26256057125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431813 (or 431803 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 26256057125 in words is "twenty-six billion, two hundred fifty-six million, fifty-seven thousand, one hundred twenty-five".