10899881 has 2 divisors, whose sum is σ = 10899882. Its totient is φ = 10899880.

The previous prime is 10899871. The next prime is 10899883. The reversal of 10899881 is 18899801.

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., 9554281 + 1345600 = 3091^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 10899881 - 2¹⁰ = 10898857 is a prime.

It is a super-2 number, since 2×10899881² = 237614811628322, which contains 22 as substring.

Together with 10899883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10899883) 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, 5449940 + 5449941.

It is an arithmetic number, because the mean of its divisors is an integer number (5449941).

Almost surely, 2^10899881 is an apocalyptic number.

It is an amenable number.

10899881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10899881 is an equidigital number, since it uses as much as digits as its factorization.

10899881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 44.

The square root of 10899881 is about 3301.4967817643. The cubic root of 10899881 is about 221.7212162154.

The spelling of 10899881 in words is "ten million, eight hundred ninety-nine thousand, eight hundred eighty-one".