11655311 has 2 divisors, whose sum is σ = 11655312. Its totient is φ = 11655310.

The previous prime is 11655277. The next prime is 11655317. The reversal of 11655311 is 11355611.

11655311 is digitally balanced in base 3, 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 (11355611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11655311 - 2¹⁰ = 11654287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11655317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5827655 + 5827656.

It is an arithmetic number, because the mean of its divisors is an integer number (5827656).

Almost surely, 2^11655311 is an apocalyptic number.

11655311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11655311 is an equidigital number, since it uses as much as digits as its factorization.

11655311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 23.

The square root of 11655311 is about 3413.9875512368. The cubic root of 11655311 is about 226.7294609279.

The spelling of 11655311 in words is "eleven million, six hundred fifty-five thousand, three hundred eleven".