26420110061 has 4 divisors (see below), whose sum is σ = 26420880672. Its totient is φ = 26419339452.

The previous prime is 26420110043. The next prime is 26420110081. The reversal of 26420110061 is 16001102462.

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 a de Polignac number, because none of the positive numbers 2^k-26420110061 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 (26420110001) 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, 331361 + ... + 403286.

It is an arithmetic number, because the mean of its divisors is an integer number (6605220168).

Almost surely, 2^26420110061 is an apocalyptic number.

It is an amenable number.

26420110061 is a deficient number, since it is larger than the sum of its proper divisors (770611).

26420110061 is an equidigital number, since it uses as much as digits as its factorization.

26420110061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770610.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 26420110061 in words is "twenty-six billion, four hundred twenty million, one hundred ten thousand, sixty-one".