10885378209 has 16 divisors (see below), whose sum is σ = 14570922240. Its totient is φ = 7228417680.

The previous prime is 10885378193. The next prime is 10885378241. The reversal of 10885378209 is 90287358801.

It is not a de Polignac number, because 10885378209 - 2⁴ = 10885378193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10885378279) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1245834 + ... + 1254540.

It is an arithmetic number, because the mean of its divisors is an integer number (910682640).

Almost surely, 2^10885378209 is an apocalyptic number.

It is an amenable number.

10885378209 is a deficient number, since it is larger than the sum of its proper divisors (3685544031).

10885378209 is a wasteful number, since it uses less digits than its factorization.

10885378209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10300.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 10885378209 in words is "ten billion, eight hundred eighty-five million, three hundred seventy-eight thousand, two hundred nine".