11775311 has 2 divisors, whose sum is σ = 11775312. Its totient is φ = 11775310.

The previous prime is 11775301. The next prime is 11775329. The reversal of 11775311 is 11357711.

11775311 is nontrivially palindromic in base 13.

11775311 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11775311 is a prime.

It is equal to p₇₇₄₂₃₃ and since 11775311 and 774233 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11775301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5887655 + 5887656.

It is an arithmetic number, because the mean of its divisors is an integer number (5887656).

Almost surely, 2^11775311 is an apocalyptic number.

11775311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11775311 is an equidigital number, since it uses as much as digits as its factorization.

11775311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 735, while the sum is 26.

The square root of 11775311 is about 3431.5173028851. The cubic root of 11775311 is about 227.5049211993.

The spelling of 11775311 in words is "eleven million, seven hundred seventy-five thousand, three hundred eleven".