10851855 has 32 divisors (see below), whose sum is σ = 19987968. Its totient is φ = 4924800.

The previous prime is 10851851. The next prime is 10851857. The reversal of 10851855 is 55815801.

10851855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10851855 - 2² = 10851851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10851851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18720 + ... + 19290.

It is an arithmetic number, because the mean of its divisors is an integer number (624624).

Almost surely, 2^10851855 is an apocalyptic number.

10851855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10851855 is a deficient number, since it is larger than the sum of its proper divisors (9136113).

10851855 is a wasteful number, since it uses less digits than its factorization.

10851855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767.

The product of its (nonzero) digits is 8000, while the sum is 33.

The square root of 10851855 is about 3294.2153845795. The cubic root of 10851855 is about 221.3950945872.

The spelling of 10851855 in words is "ten million, eight hundred fifty-one thousand, eight hundred fifty-five".