10881090 has 96 divisors (see below), whose sum is σ = 32011200. Its totient is φ = 2540160.

The previous prime is 10881089. The next prime is 10881127. The reversal of 10881090 is 9018801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28521 + ... + 28899.

It is an arithmetic number, because the mean of its divisors is an integer number (333450).

Almost surely, 2^10881090 is an apocalyptic number.

10881090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10881090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16005600).

10881090 is an abundant number, since it is smaller than the sum of its proper divisors (21130110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10881090 is a wasteful number, since it uses less digits than its factorization.

10881090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 10881090 is about 3298.6497237506. The cubic root of 10881090 is about 221.5937298117.

Adding to 10881090 its reverse (9018801), we get a palindrome (19899891).

It can be divided in two parts, 108810 and 90, that added together give a square (108900 = 330²).

The spelling of 10881090 in words is "ten million, eight hundred eighty-one thousand, ninety".