11855383 has 2 divisors, whose sum is σ = 11855384. Its totient is φ = 11855382.

The previous prime is 11855381. The next prime is 11855387. The reversal of 11855383 is 38355811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11855383 - 2¹ = 11855381 is a prime.

Together with 11855381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11855381) 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, 5927691 + 5927692.

It is an arithmetic number, because the mean of its divisors is an integer number (5927692).

Almost surely, 2^11855383 is an apocalyptic number.

11855383 is a deficient number, since it is larger than the sum of its proper divisors (1).

11855383 is an equidigital number, since it uses as much as digits as its factorization.

11855383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 34.

The square root of 11855383 is about 3443.1646780251. The cubic root of 11855383 is about 228.0194338108.

The spelling of 11855383 in words is "eleven million, eight hundred fifty-five thousand, three hundred eighty-three".