611011 has 2 divisors, whose sum is σ = 611012. Its totient is φ = 611010.

The previous prime is 610993. The next prime is 611027. The reversal of 611011 is 110116.

It is a strong prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 110119 and 911011.

It is a cyclic number.

It is not a de Polignac number, because 611011 - 2¹⁷ = 479939 is a prime.

611011 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (611071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305505 + 305506.

It is an arithmetic number, because the mean of its divisors is an integer number (305506).

2⁶¹¹⁰¹¹ is an apocalyptic number.

611011 is a deficient number, since it is larger than the sum of its proper divisors (1).

611011 is an equidigital number, since it uses as much as digits as its factorization.

611011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 611011 is about 781.6719260662. The cubic root of 611011 is about 84.8560886648.

Adding to 611011 its reverse (110116), we get a palindrome (721127).

It can be divided in two parts, 6 and 11011, that multiplied together give a palindrome (66066).

The spelling of 611011 in words is "six hundred eleven thousand, eleven".