26208000001 has 4 divisors (see below), whose sum is σ = 26341035732. Its totient is φ = 26074964272.

The previous prime is 26207999981. The next prime is 26208000011. The reversal of 26208000001 is 10000080262.

It is a happy number.

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 14500976400 + 11707023601 = 120420^2 + 108199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26208000001 is a prime.

It is a super-3 number, since 3×26208000001³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26208000011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66517570 + ... + 66517963.

It is an arithmetic number, because the mean of its divisors is an integer number (6585258933).

Almost surely, 2^26208000001 is an apocalyptic number.

It is an amenable number.

26208000001 is a deficient number, since it is larger than the sum of its proper divisors (133035731).

26208000001 is a wasteful number, since it uses less digits than its factorization.

26208000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133035730.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 26208000001 its reverse (10000080262), we get a palindrome (36208080263).

The spelling of 26208000001 in words is "twenty-six billion, two hundred eight million, one", and thus it is an aban number.