26406806506127 has 4 divisors (see below), whose sum is σ = 26467792202880. Its totient is φ = 26345820809376.

The previous prime is 26406806506021. The next prime is 26406806506153. The reversal of 26406806506127 is 72160560860462.

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 26406806506127 - 2³⁰ = 26405732764303 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 (26406806506177) 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, 30492847727 + ... + 30492848592.

It is an arithmetic number, because the mean of its divisors is an integer number (6616948050720).

Almost surely, 2^{26406806506127} is an apocalyptic number.

26406806506127 is a deficient number, since it is larger than the sum of its proper divisors (60985696753).

26406806506127 is an equidigital number, since it uses as much as digits as its factorization.

26406806506127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60985696752.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 26406806506127 in words is "twenty-six trillion, four hundred six billion, eight hundred six million, five hundred six thousand, one hundred twenty-seven".