11811433 has 2 divisors, whose sum is σ = 11811434. Its totient is φ = 11811432.

The previous prime is 11811431. The next prime is 11811451. The reversal of 11811433 is 33411811.

11811433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10837264 + 974169 = 3292^2 + 987^2 .

It is a cyclic number.

It is not a de Polignac number, because 11811433 - 2¹ = 11811431 is a prime.

Together with 11811431, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11811431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5905716 + 5905717.

It is an arithmetic number, because the mean of its divisors is an integer number (5905717).

Almost surely, 2^11811433 is an apocalyptic number.

It is an amenable number.

11811433 is a deficient number, since it is larger than the sum of its proper divisors (1).

11811433 is an equidigital number, since it uses as much as digits as its factorization.

11811433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 22.

The square root of 11811433 is about 3436.7765420522. The cubic root of 11811433 is about 227.7373154558.

The spelling of 11811433 in words is "eleven million, eight hundred eleven thousand, four hundred thirty-three".