25160519641 has 2 divisors, whose sum is σ = 25160519642. Its totient is φ = 25160519640.

The previous prime is 25160519633. The next prime is 25160519717. The reversal of 25160519641 is 14691506152.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24553636416 + 606883225 = 156696^2 + 24635^2 .

It is a cyclic number.

It is not a de Polignac number, because 25160519641 - 2³ = 25160519633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25160519594 and 25160519603.

It is not a weakly prime, because it can be changed into another prime (25160549641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12580259820 + 12580259821.

It is an arithmetic number, because the mean of its divisors is an integer number (12580259821).

Almost surely, 2^25160519641 is an apocalyptic number.

It is an amenable number.

25160519641 is a deficient number, since it is larger than the sum of its proper divisors (1).

25160519641 is an equidigital number, since it uses as much as digits as its factorization.

25160519641 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 40.

The spelling of 25160519641 in words is "twenty-five billion, one hundred sixty million, five hundred nineteen thousand, six hundred forty-one".