11065511 has 2 divisors, whose sum is σ = 11065512. Its totient is φ = 11065510.

The previous prime is 11065493. The next prime is 11065513. The reversal of 11065511 is 11556011.

11065511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (11556011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11065511 - 2⁶ = 11065447 is a prime.

It is a super-2 number, since 2×11065511² = 244891067382242, which contains 22 as substring.

Together with 11065513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11065513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5532755 + 5532756.

It is an arithmetic number, because the mean of its divisors is an integer number (5532756).

Almost surely, 2^11065511 is an apocalyptic number.

11065511 is a deficient number, since it is larger than the sum of its proper divisors (1).

11065511 is an equidigital number, since it uses as much as digits as its factorization.

11065511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 11065511 is about 3326.4862843547. The cubic root of 11065511 is about 222.8386359706.

The spelling of 11065511 in words is "eleven million, sixty-five thousand, five hundred eleven".