26405666324101 has 16 divisors (see below), whose sum is σ = 28239055228800. Its totient is φ = 24603549424128.

The previous prime is 26405666324077. The next prime is 26405666324111. The reversal of 26405666324101 is 10142366650462.

It is not a de Polignac number, because 26405666324101 - 2³⁵ = 26371306585733 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 (26405666324111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3392865 + ... + 8020153.

It is an arithmetic number, because the mean of its divisors is an integer number (1764940951800).

Almost surely, 2^{26405666324101} is an apocalyptic number.

It is an amenable number.

26405666324101 is a deficient number, since it is larger than the sum of its proper divisors (1833388904699).

26405666324101 is a wasteful number, since it uses less digits than its factorization.

26405666324101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630668.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 26405666324101 in words is "twenty-six trillion, four hundred five billion, six hundred sixty-six million, three hundred twenty-four thousand, one hundred one".