10981361 has 2 divisors, whose sum is σ = 10981362. Its totient is φ = 10981360.

The previous prime is 10981339. The next prime is 10981379. The reversal of 10981361 is 16318901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9241600 + 1739761 = 3040^2 + 1319^2 .

It is a cyclic number.

It is not a de Polignac number, because 10981361 - 2¹⁸ = 10719217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10981301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5490680 + 5490681.

It is an arithmetic number, because the mean of its divisors is an integer number (5490681).

Almost surely, 2^10981361 is an apocalyptic number.

It is an amenable number.

10981361 is a deficient number, since it is larger than the sum of its proper divisors (1).

10981361 is an equidigital number, since it uses as much as digits as its factorization.

10981361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 10981361 is about 3313.8136640433. The cubic root of 10981361 is about 222.2723236016.

The spelling of 10981361 in words is "ten million, nine hundred eighty-one thousand, three hundred sixty-one".