26275651601 has 2 divisors, whose sum is σ = 26275651602. Its totient is φ = 26275651600.

The previous prime is 26275651547. The next prime is 26275651603. The reversal of 26275651601 is 10615657262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15124080400 + 11151571201 = 122980^2 + 105601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26275651601 is a prime.

Together with 26275651603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26275651603) 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 as a sum of consecutive naturals, namely, 13137825800 + 13137825801.

It is an arithmetic number, because the mean of its divisors is an integer number (13137825801).

Almost surely, 2^26275651601 is an apocalyptic number.

It is an amenable number.

26275651601 is a deficient number, since it is larger than the sum of its proper divisors (1).

26275651601 is an equidigital number, since it uses as much as digits as its factorization.

26275651601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 26275651601 in words is "twenty-six billion, two hundred seventy-five million, six hundred fifty-one thousand, six hundred one".