25241436061117 has 2 divisors, whose sum is σ = 25241436061118. Its totient is φ = 25241436061116.

The previous prime is 25241436061099. The next prime is 25241436061169. The reversal of 25241436061117 is 71116063414252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14864926516036 + 10376509545081 = 3855506^2 + 3221259^2 .

It is a cyclic number.

It is not a de Polignac number, because 25241436061117 - 2³¹ = 25239288577469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25241436061187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12620718030558 + 12620718030559.

It is an arithmetic number, because the mean of its divisors is an integer number (12620718030559).

Almost surely, 2^{25241436061117} is an apocalyptic number.

It is an amenable number.

25241436061117 is a deficient number, since it is larger than the sum of its proper divisors (1).

25241436061117 is an equidigital number, since it uses as much as digits as its factorization.

25241436061117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

Adding to 25241436061117 its reverse (71116063414252), we get a palindrome (96357499475369).

The spelling of 25241436061117 in words is "twenty-five trillion, two hundred forty-one billion, four hundred thirty-six million, sixty-one thousand, one hundred seventeen".