26206305101 has 8 divisors (see below), whose sum is σ = 26260807608. Its totient is φ = 26151840000.

The previous prime is 26206305089. The next prime is 26206305127. The reversal of 26206305101 is 10150360262.

It can be written as a sum of positive squares in 4 ways, for example, as 12572239876 + 13634065225 = 112126^2 + 116765^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26206305101 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 (26206305131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1711841 + ... + 1727081.

It is an arithmetic number, because the mean of its divisors is an integer number (3282600951).

Almost surely, 2^26206305101 is an apocalyptic number.

It is an amenable number.

26206305101 is a deficient number, since it is larger than the sum of its proper divisors (54502507).

26206305101 is a wasteful number, since it uses less digits than its factorization.

26206305101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18703.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 26206305101 its reverse (10150360262), we get a palindrome (36356665363).

The spelling of 26206305101 in words is "twenty-six billion, two hundred six million, three hundred five thousand, one hundred one".