10115850 has 48 divisors (see below), whose sum is σ = 26569728. Its totient is φ = 2538240.

The previous prime is 10115849. The next prime is 10115851. The reversal of 10115850 is 5851101.

It is an interprime number because it is at equal distance from previous prime (10115849) and next prime (10115851).

It is not an unprimeable number, because it can be changed into a prime (10115851) 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 23 ways as a sum of consecutive naturals, for example, 567 + ... + 4533.

It is an arithmetic number, because the mean of its divisors is an integer number (553536).

Almost surely, 2^10115850 is an apocalyptic number.

10115850 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 10115850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13284864).

10115850 is an abundant number, since it is smaller than the sum of its proper divisors (16453878).

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

10115850 is a wasteful number, since it uses less digits than its factorization.

10115850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3999 (or 3994 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 10115850 is about 3180.5424065716. The cubic root of 10115850 is about 216.2722475914.

Adding to 10115850 its reverse (5851101), we get a palindrome (15966951).

It can be divided in two parts, 101 and 15850, that added together give a palindrome (15951).

The spelling of 10115850 in words is "ten million, one hundred fifteen thousand, eight hundred fifty".