26118442859 has 4 divisors (see below), whose sum is σ = 26121656904. Its totient is φ = 26115228816.

The previous prime is 26118442829. The next prime is 26118442873. The reversal of 26118442859 is 95824481162.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26118442859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26118442829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594802 + ... + 1611095.

It is an arithmetic number, because the mean of its divisors is an integer number (6530414226).

Almost surely, 2^26118442859 is an apocalyptic number.

26118442859 is a deficient number, since it is larger than the sum of its proper divisors (3214045).

26118442859 is an equidigital number, since it uses as much as digits as its factorization.

26118442859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214044.

The product of its digits is 1105920, while the sum is 50.

The spelling of 26118442859 in words is "twenty-six billion, one hundred eighteen million, four hundred forty-two thousand, eight hundred fifty-nine".