101165532173 has 2 divisors, whose sum is σ = 101165532174. Its totient is φ = 101165532172.

The previous prime is 101165532161. The next prime is 101165532187. The reversal of 101165532173 is 371235561101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100995568804 + 169963369 = 317798^2 + 13037^2 .

It is a cyclic number.

It is not a de Polignac number, because 101165532173 - 2¹² = 101165528077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101165532113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50582766086 + 50582766087.

It is an arithmetic number, because the mean of its divisors is an integer number (50582766087).

Almost surely, 2^101165532173 is an apocalyptic number.

It is an amenable number.

101165532173 is a deficient number, since it is larger than the sum of its proper divisors (1).

101165532173 is an equidigital number, since it uses as much as digits as its factorization.

101165532173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 101165532173 in words is "one hundred one billion, one hundred sixty-five million, five hundred thirty-two thousand, one hundred seventy-three".