26545345201 has 4 divisors (see below), whose sum is σ = 26551973952. Its totient is φ = 26538716452.

The previous prime is 26545345159. The next prime is 26545345207. The reversal of 26545345201 is 10254354562.

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 26545345201 - 2¹³ = 26545337009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26545345207) 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, 3308365 + ... + 3316378.

It is an arithmetic number, because the mean of its divisors is an integer number (6637993488).

Almost surely, 2^26545345201 is an apocalyptic number.

It is an amenable number.

26545345201 is a deficient number, since it is larger than the sum of its proper divisors (6628751).

26545345201 is an equidigital number, since it uses as much as digits as its factorization.

26545345201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628750.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 26545345201 its reverse (10254354562), we get a palindrome (36799699763).

The spelling of 26545345201 in words is "twenty-six billion, five hundred forty-five million, three hundred forty-five thousand, two hundred one".