10811850 has 72 divisors (see below), whose sum is σ = 31212288. Its totient is φ = 2469600.

The previous prime is 10811831. The next prime is 10811897. The reversal of 10811850 is 5811801.

It is a super-2 number, since 2×10811850² = 233792200845000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10811850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6615 + ... + 8085.

It is an arithmetic number, because the mean of its divisors is an integer number (433504).

Almost surely, 2^10811850 is an apocalyptic number.

10811850 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 10811850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15606144).

10811850 is an abundant number, since it is smaller than the sum of its proper divisors (20400438).

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

10811850 is a wasteful number, since it uses less digits than its factorization.

10811850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 24.

The square root of 10811850 is about 3288.1377708363. The cubic root of 10811850 is about 221.1227043930.

The spelling of 10811850 in words is "ten million, eight hundred eleven thousand, eight hundred fifty".