26052211601 has 4 divisors (see below), whose sum is σ = 28056227892. Its totient is φ = 24048195312.

The previous prime is 26052211571. The next prime is 26052211621. The reversal of 26052211601 is 10611225062.

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 6835320976 + 19216890625 = 82676^2 + 138625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26052211601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26052211621) 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, 1002008126 + ... + 1002008151.

It is an arithmetic number, because the mean of its divisors is an integer number (7014056973).

Almost surely, 2^26052211601 is an apocalyptic number.

It is an amenable number.

26052211601 is a deficient number, since it is larger than the sum of its proper divisors (2004016291).

26052211601 is a wasteful number, since it uses less digits than its factorization.

26052211601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004016290.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 26052211601 its reverse (10611225062), we get a palindrome (36663436663).

The spelling of 26052211601 in words is "twenty-six billion, fifty-two million, two hundred eleven thousand, six hundred one".