26259087086825 has 6 divisors (see below), whose sum is σ = 32561267987694. Its totient is φ = 21007269669440.

The previous prime is 26259087086821. The next prime is 26259087086833. The reversal of 26259087086825 is 52868078095262.

It can be written as a sum of positive squares in 3 ways, for example, as 3815408236249 + 22443678850576 = 1953307^2 + 4737476^2 .

It is not a de Polignac number, because 26259087086825 - 2² = 26259087086821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26259087086821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 525181741712 + ... + 525181741761.

It is an arithmetic number, because the mean of its divisors is an integer number (5426877997949).

Almost surely, 2^{26259087086825} is an apocalyptic number.

26259087086825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26259087086825 is a deficient number, since it is larger than the sum of its proper divisors (6302180900869).

26259087086825 is a wasteful number, since it uses less digits than its factorization.

26259087086825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050363483483 (or 1050363483478 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 68.

The spelling of 26259087086825 in words is "twenty-six trillion, two hundred fifty-nine billion, eighty-seven million, eighty-six thousand, eight hundred twenty-five".