26257611122 has 18 divisors (see below), whose sum is σ = 39704159943. Its totient is φ = 13023734784.

The previous prime is 26257611091. The next prime is 26257611199. The reversal of 26257611122 is 22111675262.

It can be written as a sum of positive squares in 5 ways, for example, as 1480017841 + 24777593281 = 38471^2 + 157409^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=114581.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34144754 + ... + 34145522.

Almost surely, 2^26257611122 is an apocalyptic number.

26257611122 is a deficient number, since it is larger than the sum of its proper divisors (13446548821).

26257611122 is an frugal number, since it uses more digits than its factorization.

26257611122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838 (or 920 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The spelling of 26257611122 in words is "twenty-six billion, two hundred fifty-seven million, six hundred eleven thousand, one hundred twenty-two".