26025531305 has 4 divisors (see below), whose sum is σ = 31230637572. Its totient is φ = 20820425040.

The previous prime is 26025531253. The next prime is 26025531313. The reversal of 26025531305 is 50313552062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18541724224 + 7483807081 = 136168^2 + 86509^2 .

It is not a de Polignac number, because 26025531305 - 2¹⁰ = 26025530281 is a prime.

It is a Duffinian number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 2602553126 + ... + 2602553135.

It is an arithmetic number, because the mean of its divisors is an integer number (7807659393).

Almost surely, 2^26025531305 is an apocalyptic number.

It is an amenable number.

26025531305 is a deficient number, since it is larger than the sum of its proper divisors (5205106267).

26025531305 is an equidigital number, since it uses as much as digits as its factorization.

26025531305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205106266.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 26025531305 in words is "twenty-six billion, twenty-five million, five hundred thirty-one thousand, three hundred five".