10881863 has 4 divisors (see below), whose sum is σ = 11113440. Its totient is φ = 10650288.

The previous prime is 10881833. The next prime is 10881869. The reversal of 10881863 is 36818801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10881863 - 2¹² = 10877767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10881869) 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 in 3 ways as a sum of consecutive naturals, for example, 115718 + ... + 115811.

It is an arithmetic number, because the mean of its divisors is an integer number (2778360).

Almost surely, 2^10881863 is an apocalyptic number.

10881863 is a deficient number, since it is larger than the sum of its proper divisors (231577).

10881863 is an equidigital number, since it uses as much as digits as its factorization.

10881863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231576.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 10881863 is about 3298.7668908245. The cubic root of 10881863 is about 221.5989770770.

The spelling of 10881863 in words is "ten million, eight hundred eighty-one thousand, eight hundred sixty-three".