11616611 has 2 divisors, whose sum is σ = 11616612. Its totient is φ = 11616610.

The previous prime is 11616607. The next prime is 11616613. The reversal of 11616611 is 11661611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11616611 - 2² = 11616607 is a prime.

It is a super-2 number, since 2×11616611² = 269891302250642, which contains 22 as substring.

Together with 11616613, 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 (11616613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808305 + 5808306.

It is an arithmetic number, because the mean of its divisors is an integer number (5808306).

Almost surely, 2^11616611 is an apocalyptic number.

11616611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11616611 is an equidigital number, since it uses as much as digits as its factorization.

11616611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 23.

The square root of 11616611 is about 3408.3149795757. The cubic root of 11616611 is about 226.4782404169.

The spelling of 11616611 in words is "eleven million, six hundred sixteen thousand, six hundred eleven".