26543121408001 has 4 divisors (see below), whose sum is σ = 28956132445104. Its totient is φ = 24130110370900.

The previous prime is 26543121407917. The next prime is 26543121408017. The reversal of 26543121408001 is 10080412134562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26543121408001 - 2⁹ = 26543121407489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26543121408031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206505518535 + ... + 1206505518556.

It is an arithmetic number, because the mean of its divisors is an integer number (7239033111276).

Almost surely, 2^{26543121408001} is an apocalyptic number.

It is an amenable number.

26543121408001 is a deficient number, since it is larger than the sum of its proper divisors (2413011037103).

26543121408001 is a wasteful number, since it uses less digits than its factorization.

26543121408001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413011037102.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 26543121408001 in words is "twenty-six trillion, five hundred forty-three billion, one hundred twenty-one million, four hundred eight thousand, one".