26118997598423 has 4 divisors (see below), whose sum is σ = 26128978112160. Its totient is φ = 26109017084688.

The previous prime is 26118997598347. The next prime is 26118997598431. The reversal of 26118997598423 is 32489579981162.

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

It is a cyclic number.

It is not a de Polignac number, because 26118997598423 - 2⁸ = 26118997598167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26118997598723) by changing a digit.

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, 4990252943 + ... + 4990258176.

It is an arithmetic number, because the mean of its divisors is an integer number (6532244528040).

Almost surely, 2^{26118997598423} is an apocalyptic number.

26118997598423 is a deficient number, since it is larger than the sum of its proper divisors (9980513737).

26118997598423 is an equidigital number, since it uses as much as digits as its factorization.

26118997598423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9980513736.

The product of its digits is 470292480, while the sum is 74.

The spelling of 26118997598423 in words is "twenty-six trillion, one hundred eighteen billion, nine hundred ninety-seven million, five hundred ninety-eight thousand, four hundred twenty-three".