11851093 has 2 divisors, whose sum is σ = 11851094. Its totient is φ = 11851092.

The previous prime is 11851067. The next prime is 11851109. The reversal of 11851093 is 39015811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11035684 + 815409 = 3322^2 + 903^2 .

It is an emirp because it is prime and its reverse (39015811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11851093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11851033) 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, 5925546 + 5925547.

It is an arithmetic number, because the mean of its divisors is an integer number (5925547).

Almost surely, 2^11851093 is an apocalyptic number.

It is an amenable number.

11851093 is a deficient number, since it is larger than the sum of its proper divisors (1).

11851093 is an equidigital number, since it uses as much as digits as its factorization.

11851093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 11851093 is about 3442.5416482593. The cubic root of 11851093 is about 227.9919267173.

It can be divided in two parts, 1185 and 1093, that added together give a triangular number (2278 = T₆₇).

The spelling of 11851093 in words is "eleven million, eight hundred fifty-one thousand, ninety-three".