26104198543 has 4 divisors (see below), whose sum is σ = 26110717200. Its totient is φ = 26097679888.

The previous prime is 26104198531. The next prime is 26104198559. The reversal of 26104198543 is 34589140162.

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 26104198543 - 2²⁹ = 25567327631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26104198543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26104198573) 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, 3253318 + ... + 3261331.

It is an arithmetic number, because the mean of its divisors is an integer number (6527679300).

Almost surely, 2^26104198543 is an apocalyptic number.

26104198543 is a deficient number, since it is larger than the sum of its proper divisors (6518657).

26104198543 is an equidigital number, since it uses as much as digits as its factorization.

26104198543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518656.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 26104198543 in words is "twenty-six billion, one hundred four million, one hundred ninety-eight thousand, five hundred forty-three".