163125377101 has 2 divisors, whose sum is σ = 163125377102. Its totient is φ = 163125377100.

The previous prime is 163125377099. The next prime is 163125377113. The reversal of 163125377101 is 101773521361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147306278025 + 15819099076 = 383805^2 + 125774^2 .

It is an emirp because it is prime and its reverse (101773521361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163125377101 - 2¹ = 163125377099 is a prime.

Together with 163125377099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163125377141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81562688550 + 81562688551.

It is an arithmetic number, because the mean of its divisors is an integer number (81562688551).

Almost surely, 2^163125377101 is an apocalyptic number.

It is an amenable number.

163125377101 is a deficient number, since it is larger than the sum of its proper divisors (1).

163125377101 is an equidigital number, since it uses as much as digits as its factorization.

163125377101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

Adding to 163125377101 its reverse (101773521361), we get a palindrome (264898898462).

The spelling of 163125377101 in words is "one hundred sixty-three billion, one hundred twenty-five million, three hundred seventy-seven thousand, one hundred one".