26570104655 has 4 divisors (see below), whose sum is σ = 31884125592. Its totient is φ = 21256083720.

The previous prime is 26570104607. The next prime is 26570104667. The reversal of 26570104655 is 55640107562.

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

It is not a de Polignac number, because 26570104655 - 2⁶ = 26570104591 is a prime.

It is a super-2 number, since 2×26570104655² (a number of 22 digits) contains 22 as substring.

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2657010461 + ... + 2657010470.

It is an arithmetic number, because the mean of its divisors is an integer number (7971031398).

Almost surely, 2^26570104655 is an apocalyptic number.

26570104655 is a deficient number, since it is larger than the sum of its proper divisors (5314020937).

26570104655 is an equidigital number, since it uses as much as digits as its factorization.

26570104655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314020936.

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

The spelling of 26570104655 in words is "twenty-six billion, five hundred seventy million, one hundred four thousand, six hundred fifty-five".