170145011 has 2 divisors, whose sum is σ = 170145012. Its totient is φ = 170145010.

The previous prime is 170144987. The next prime is 170145013. The reversal of 170145011 is 110541071.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 170145011 - 2²⁶ = 103036147 is a prime.

Together with 170145013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (170145013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85072505 + 85072506.

It is an arithmetic number, because the mean of its divisors is an integer number (85072506).

Almost surely, 2^170145011 is an apocalyptic number.

170145011 is a deficient number, since it is larger than the sum of its proper divisors (1).

170145011 is an equidigital number, since it uses as much as digits as its factorization.

170145011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 170145011 is about 13043.9645430368. The cubic root of 170145011 is about 554.1232929464.

Adding to 170145011 its reverse (110541071), we get a palindrome (280686082).

The spelling of 170145011 in words is "one hundred seventy million, one hundred forty-five thousand, eleven".