172044011 has 2 divisors, whose sum is σ = 172044012. Its totient is φ = 172044010.

The previous prime is 172043999. The next prime is 172044073. The reversal of 172044011 is 110440271.

172044011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172044011 - 2⁶ = 172043947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (172044311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86022005 + 86022006.

It is an arithmetic number, because the mean of its divisors is an integer number (86022006).

Almost surely, 2^172044011 is an apocalyptic number.

172044011 is a deficient number, since it is larger than the sum of its proper divisors (1).

172044011 is an equidigital number, since it uses as much as digits as its factorization.

172044011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 172044011 is about 13116.5548449278. The cubic root of 172044011 is about 556.1772063814.

Adding to 172044011 its reverse (110440271), we get a palindrome (282484282).

The spelling of 172044011 in words is "one hundred seventy-two million, forty-four thousand, eleven".