26155841457 has 4 divisors (see below), whose sum is σ = 34874455280. Its totient is φ = 17437227636.

The previous prime is 26155841449. The next prime is 26155841461. The reversal of 26155841457 is 75414855162.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 26155841457 - 2³ = 26155841449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26155841407) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4359306907 + ... + 4359306912.

It is an arithmetic number, because the mean of its divisors is an integer number (8718613820).

Almost surely, 2^26155841457 is an apocalyptic number.

It is an amenable number.

26155841457 is a deficient number, since it is larger than the sum of its proper divisors (8718613823).

26155841457 is an equidigital number, since it uses as much as digits as its factorization.

26155841457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8718613822.

The product of its digits is 1344000, while the sum is 48.

The spelling of 26155841457 in words is "twenty-six billion, one hundred fifty-five million, eight hundred forty-one thousand, four hundred fifty-seven".