53641025161 has 2 divisors, whose sum is σ = 53641025162. Its totient is φ = 53641025160.

The previous prime is 53641025149. The next prime is 53641025177. The reversal of 53641025161 is 16152014635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30436291600 + 23204733561 = 174460^2 + 152331^2 .

It is a cyclic number.

It is not a de Polignac number, because 53641025161 - 2¹¹ = 53641023113 is a prime.

It is not a weakly prime, because it can be changed into another prime (53641025561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26820512580 + 26820512581.

It is an arithmetic number, because the mean of its divisors is an integer number (26820512581).

Almost surely, 2^53641025161 is an apocalyptic number.

It is an amenable number.

53641025161 is a deficient number, since it is larger than the sum of its proper divisors (1).

53641025161 is an equidigital number, since it uses as much as digits as its factorization.

53641025161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 53641025161 its reverse (16152014635), we get a palindrome (69793039796).

The spelling of 53641025161 in words is "fifty-three billion, six hundred forty-one million, twenty-five thousand, one hundred sixty-one".