26243352001 has 2 divisors, whose sum is σ = 26243352002. Its totient is φ = 26243352000.

The previous prime is 26243351987. The next prime is 26243352041. The reversal of 26243352001 is 10025334262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17161262001 + 9082090000 = 131001^2 + 95300^2 .

It is a cyclic number.

It is not a de Polignac number, because 26243352001 - 2⁹ = 26243351489 is a prime.

It is not a weakly prime, because it can be changed into another prime (26243352041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13121676000 + 13121676001.

It is an arithmetic number, because the mean of its divisors is an integer number (13121676001).

Almost surely, 2^26243352001 is an apocalyptic number.

It is an amenable number.

26243352001 is a deficient number, since it is larger than the sum of its proper divisors (1).

26243352001 is an equidigital number, since it uses as much as digits as its factorization.

26243352001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 26243352001 its reverse (10025334262), we get a palindrome (36268686263).

The spelling of 26243352001 in words is "twenty-six billion, two hundred forty-three million, three hundred fifty-two thousand, one".