10881971 has 2 divisors, whose sum is σ = 10881972. Its totient is φ = 10881970.

The previous prime is 10881953. The next prime is 10881979. The reversal of 10881971 is 17918801.

10881971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (17918801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10881971 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10881979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5440985 + 5440986.

It is an arithmetic number, because the mean of its divisors is an integer number (5440986).

Almost surely, 2^10881971 is an apocalyptic number.

10881971 is a deficient number, since it is larger than the sum of its proper divisors (1).

10881971 is an equidigital number, since it uses as much as digits as its factorization.

10881971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 35.

The square root of 10881971 is about 3298.7832605371. The cubic root of 10881971 is about 221.5997101809.

The spelling of 10881971 in words is "ten million, eight hundred eighty-one thousand, nine hundred seventy-one".