10855181 has 2 divisors, whose sum is σ = 10855182. Its totient is φ = 10855180.

The previous prime is 10855151. The next prime is 10855199. The reversal of 10855181 is 18155801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10562500 + 292681 = 3250^2 + 541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10855181 is a prime.

It is a super-2 number, since 2×10855181² = 235669909085522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10855111) 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, 5427590 + 5427591.

It is an arithmetic number, because the mean of its divisors is an integer number (5427591).

Almost surely, 2^10855181 is an apocalyptic number.

It is an amenable number.

10855181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10855181 is an equidigital number, since it uses as much as digits as its factorization.

10855181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 29.

The square root of 10855181 is about 3294.7201702117. The cubic root of 10855181 is about 221.4177108394.

The spelling of 10855181 in words is "ten million, eight hundred fifty-five thousand, one hundred eighty-one".