26100533207009 has 4 divisors (see below), whose sum is σ = 26101262287620. Its totient is φ = 26099804126400.

The previous prime is 26100533206997. The next prime is 26100533207051. The reversal of 26100533207009 is 90070233500162.

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 14654808985600 + 11445724221409 = 3828160^2 + 3383153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26100533207009 is a prime.

It is a super-3 number, since 3×26100533207009³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26100533207909) 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, 364486604 + ... + 364558205.

It is an arithmetic number, because the mean of its divisors is an integer number (6525315571905).

Almost surely, 2^{26100533207009} is an apocalyptic number.

It is an amenable number.

26100533207009 is a deficient number, since it is larger than the sum of its proper divisors (729080611).

26100533207009 is an equidigital number, since it uses as much as digits as its factorization.

26100533207009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729080610.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 26100533207009 in words is "twenty-six trillion, one hundred billion, five hundred thirty-three million, two hundred seven thousand, nine".