11571383 has 2 divisors, whose sum is σ = 11571384. Its totient is φ = 11571382.

The previous prime is 11571379. The next prime is 11571419. The reversal of 11571383 is 38317511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11571383 - 2² = 11571379 is a prime.

It is a Sophie Germain prime.

It is equal to p₇₆₁₇₀₈ and since 11571383 and 761708 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 (11571283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5785691 + 5785692.

It is an arithmetic number, because the mean of its divisors is an integer number (5785692).

Almost surely, 2^11571383 is an apocalyptic number.

11571383 is a deficient number, since it is larger than the sum of its proper divisors (1).

11571383 is an equidigital number, since it uses as much as digits as its factorization.

11571383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 29.

The square root of 11571383 is about 3401.6735587061. The cubic root of 11571383 is about 226.1839354134.

Adding to 11571383 its reverse (38317511), we get a palindrome (49888894).

The spelling of 11571383 in words is "eleven million, five hundred seventy-one thousand, three hundred eighty-three".