172306452211 has 2 divisors, whose sum is σ = 172306452212. Its totient is φ = 172306452210.

The previous prime is 172306452193. The next prime is 172306452319. The reversal of 172306452211 is 112254603271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172306452211 - 2¹³ = 172306444019 is a prime.

It is not a weakly prime, because it can be changed into another prime (172306452811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86153226105 + 86153226106.

It is an arithmetic number, because the mean of its divisors is an integer number (86153226106).

Almost surely, 2^172306452211 is an apocalyptic number.

172306452211 is a deficient number, since it is larger than the sum of its proper divisors (1).

172306452211 is an equidigital number, since it uses as much as digits as its factorization.

172306452211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 172306452211 in words is "one hundred seventy-two billion, three hundred six million, four hundred fifty-two thousand, two hundred eleven".