26006342105 has 4 divisors (see below), whose sum is σ = 31207610532. Its totient is φ = 20805073680.

The previous prime is 26006342101. The next prime is 26006342111. The reversal of 26006342105 is 50124360062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16907280784 + 9099061321 = 130028^2 + 95389^2 .

It is not a de Polignac number, because 26006342105 - 2² = 26006342101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26006342101) 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, 2600634206 + ... + 2600634215.

It is an arithmetic number, because the mean of its divisors is an integer number (7801902633).

Almost surely, 2^26006342105 is an apocalyptic number.

It is an amenable number.

26006342105 is a deficient number, since it is larger than the sum of its proper divisors (5201268427).

26006342105 is an equidigital number, since it uses as much as digits as its factorization.

26006342105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201268426.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 26006342105 in words is "twenty-six billion, six million, three hundred forty-two thousand, one hundred five".