172066124511 has 24 divisors (see below), whose sum is σ = 251818249280. Its totient is φ = 113199218496.

The previous prime is 172066124509. The next prime is 172066124513. The reversal of 172066124511 is 115421660271.

172066124511 is a `hidden beast` number, since 1 + 7 + 20 + 6 + 612 + 4 + 5 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (172066124509) and next prime (172066124513).

It is not a de Polignac number, because 172066124511 - 2¹ = 172066124509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172066124513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1311765 + ... + 1436961.

Almost surely, 2^172066124511 is an apocalyptic number.

172066124511 is a deficient number, since it is larger than the sum of its proper divisors (79752124769).

172066124511 is a wasteful number, since it uses less digits than its factorization.

172066124511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127215 (or 127212 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

Adding to 172066124511 its reverse (115421660271), we get a palindrome (287487784782).

The spelling of 172066124511 in words is "one hundred seventy-two billion, sixty-six million, one hundred twenty-four thousand, five hundred eleven".