26285562553 has 2 divisors, whose sum is σ = 26285562554. Its totient is φ = 26285562552.

The previous prime is 26285562547. The next prime is 26285562617. The reversal of 26285562553 is 35526558262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22857811344 + 3427751209 = 151188^2 + 58547^2 .

It is a cyclic number.

It is not a de Polignac number, because 26285562553 - 2⁹ = 26285562041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26285562497 and 26285562506.

It is not a weakly prime, because it can be changed into another prime (26285562353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13142781276 + 13142781277.

It is an arithmetic number, because the mean of its divisors is an integer number (13142781277).

Almost surely, 2^26285562553 is an apocalyptic number.

It is an amenable number.

26285562553 is a deficient number, since it is larger than the sum of its proper divisors (1).

26285562553 is an equidigital number, since it uses as much as digits as its factorization.

26285562553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320000, while the sum is 49.

The spelling of 26285562553 in words is "twenty-six billion, two hundred eighty-five million, five hundred sixty-two thousand, five hundred fifty-three".