10910981 has 2 divisors, whose sum is σ = 10910982. Its totient is φ = 10910980.

The previous prime is 10910969. The next prime is 10911007. The reversal of 10910981 is 18901901.

10910981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5597956 + 5313025 = 2366^2 + 2305^2 .

It is an emirp because it is prime and its reverse (18901901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10910981 - 2⁶ = 10910917 is a prime.

It is a super-2 number, since 2×10910981² = 238099012764722, 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 (10910381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5455490 + 5455491.

It is an arithmetic number, because the mean of its divisors is an integer number (5455491).

Almost surely, 2^10910981 is an apocalyptic number.

It is an amenable number.

10910981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10910981 is an equidigital number, since it uses as much as digits as its factorization.

10910981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 29.

The square root of 10910981 is about 3303.1774097072. The cubic root of 10910981 is about 221.7964546681.

The spelling of 10910981 in words is "ten million, nine hundred ten thousand, nine hundred eighty-one".