104575271161 has 3 divisors (see below), whose sum is σ = 104575594543. Its totient is φ = 104574947780.

The previous prime is 104575271147. The next prime is 104575271201. The reversal of 104575271161 is 161172575401.

It is a happy number.

The square root of 104575271161 is 323381.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 161172575401 = 113 ⋅1426305977.

It can be written as a sum of positive squares in only one way, i.e., 100698963561 + 3876307600 = 317331^2 + 62260^2 .

It is not a de Polignac number, because 104575271161 - 2⁷ = 104575271033 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104575272161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 161691 + ... + 485071.

Almost surely, 2^104575271161 is an apocalyptic number.

104575271161 is the 323381-st square number.

104575271161 is the 161691-st centered octagonal number.

It is an amenable number.

104575271161 is a deficient number, since it is larger than the sum of its proper divisors (323382).

104575271161 is an frugal number, since it uses more digits than its factorization.

104575271161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646762 (or 323381 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 40.

The spelling of 104575271161 in words is "one hundred four billion, five hundred seventy-five million, two hundred seventy-one thousand, one hundred sixty-one".