26615032253 has 2 divisors, whose sum is σ = 26615032254. Its totient is φ = 26615032252.

The previous prime is 26615032247. The next prime is 26615032303. The reversal of 26615032253 is 35223051662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25868540569 + 746491684 = 160837^2 + 27322^2 .

It is a cyclic number.

It is not a de Polignac number, because 26615032253 - 2⁶ = 26615032189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26615022253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13307516126 + 13307516127.

It is an arithmetic number, because the mean of its divisors is an integer number (13307516127).

Almost surely, 2^26615032253 is an apocalyptic number.

It is an amenable number.

26615032253 is a deficient number, since it is larger than the sum of its proper divisors (1).

26615032253 is an equidigital number, since it uses as much as digits as its factorization.

26615032253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 26615032253 in words is "twenty-six billion, six hundred fifteen million, thirty-two thousand, two hundred fifty-three".