25241436061165 has 4 divisors (see below), whose sum is σ = 30289723273404. Its totient is φ = 20193148848928.

The previous prime is 25241436061117. The next prime is 25241436061169. The reversal of 25241436061165 is 56116063414252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9834978949929 + 15406457111236 = 3136077^2 + 3925106^2 .

It is a cyclic number.

It is not a de Polignac number, because 25241436061165 - 2¹¹ = 25241436059117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25241436061169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2524143606112 + ... + 2524143606121.

It is an arithmetic number, because the mean of its divisors is an integer number (7572430818351).

Almost surely, 2^{25241436061165} is an apocalyptic number.

It is an amenable number.

25241436061165 is a deficient number, since it is larger than the sum of its proper divisors (5048287212239).

25241436061165 is an equidigital number, since it uses as much as digits as its factorization.

25241436061165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048287212238.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 25241436061165 in words is "twenty-five trillion, two hundred forty-one billion, four hundred thirty-six million, sixty-one thousand, one hundred sixty-five".