172306452811 has 2 divisors, whose sum is σ = 172306452812. Its totient is φ = 172306452810.

The previous prime is 172306452763. The next prime is 172306452817. The reversal of 172306452811 is 118254603271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172306452811 - 2¹³ = 172306444619 is a prime.

It is not a weakly prime, because it can be changed into another prime (172306452817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86153226405 + 86153226406.

It is an arithmetic number, because the mean of its divisors is an integer number (86153226406).

Almost surely, 2^172306452811 is an apocalyptic number.

172306452811 is a deficient number, since it is larger than the sum of its proper divisors (1).

172306452811 is an equidigital number, since it uses as much as digits as its factorization.

172306452811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 172306452811 in words is "one hundred seventy-two billion, three hundred six million, four hundred fifty-two thousand, eight hundred eleven".