25441162061 has 6 divisors (see below), whose sum is σ = 29594821230. Its totient is φ = 21806710296.

The previous prime is 25441162039. The next prime is 25441162141. The reversal of 25441162061 is 16026114452.

It can be written as a sum of positive squares in only one way, i.e., 13945248100 + 11495913961 = 118090^2 + 107219^2 .

It is not a de Polignac number, because 25441162061 - 2¹⁰ = 25441161037 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 (25441162861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259603646 + ... + 259603743.

It is an arithmetic number, because the mean of its divisors is an integer number (4932470205).

Almost surely, 2^25441162061 is an apocalyptic number.

It is an amenable number.

25441162061 is a deficient number, since it is larger than the sum of its proper divisors (4153659169).

25441162061 is an equidigital number, since it uses as much as digits as its factorization.

25441162061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519207403 (or 519207396 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 25441162061 in words is "twenty-five billion, four hundred forty-one million, one hundred sixty-two thousand, sixty-one".