670111411 has 2 divisors, whose sum is σ = 670111412. Its totient is φ = 670111410.

The previous prime is 670111391. The next prime is 670111427. The reversal of 670111411 is 114111076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670111411 - 2¹⁹ = 669587123 is a prime.

It is not a weakly prime, because it can be changed into another prime (670111451) 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, 335055705 + 335055706.

It is an arithmetic number, because the mean of its divisors is an integer number (335055706).

Almost surely, 2^670111411 is an apocalyptic number.

670111411 is a deficient number, since it is larger than the sum of its proper divisors (1).

670111411 is an equidigital number, since it uses as much as digits as its factorization.

670111411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 22.

The square root of 670111411 is about 25886.5102128502. The cubic root of 670111411 is about 875.0825112939.

Adding to 670111411 its reverse (114111076), we get a palindrome (784222487).

The spelling of 670111411 in words is "six hundred seventy million, one hundred eleven thousand, four hundred eleven".