26045611865 has 16 divisors (see below), whose sum is σ = 38467365888. Its totient is φ = 16486013376.

The previous prime is 26045611847. The next prime is 26045611871. The reversal of 26045611865 is 56811654062.

It is not a de Polignac number, because 26045611865 - 2⁸ = 26045611609 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 28621097 + ... + 28622006.

It is an arithmetic number, because the mean of its divisors is an integer number (2404210368).

Almost surely, 2^26045611865 is an apocalyptic number.

It is an amenable number.

26045611865 is a deficient number, since it is larger than the sum of its proper divisors (12421754023).

26045611865 is a wasteful number, since it uses less digits than its factorization.

26045611865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57243128.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 26045611865 in words is "twenty-six billion, forty-five million, six hundred eleven thousand, eight hundred sixty-five".