10851009 has 16 divisors (see below), whose sum is σ = 16259712. Its totient is φ = 6386688.

The previous prime is 10850999. The next prime is 10851041. The reversal of 10851009 is 90015801.

It is not a de Polignac number, because 10851009 - 2⁴ = 10850993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10851009.

It is not an unprimeable number, because it can be changed into a prime (10851409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5152 + ... + 6945.

It is an arithmetic number, because the mean of its divisors is an integer number (1016232).

Almost surely, 2^10851009 is an apocalyptic number.

It is an amenable number.

10851009 is a deficient number, since it is larger than the sum of its proper divisors (5408703).

10851009 is a wasteful number, since it uses less digits than its factorization.

10851009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12136.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 10851009 is about 3294.0869751723. The cubic root of 10851009 is about 221.3893411894.

The spelling of 10851009 in words is "ten million, eight hundred fifty-one thousand, nine".