885113891811 has 16 divisors (see below), whose sum is σ = 1311923020800. Its totient is φ = 589786496424.

The previous prime is 885113891803. The next prime is 885113891843. The reversal of 885113891811 is 118198311588.

It is a happy number.

885113891811 is a `hidden beast` number, since 8 + 8 + 511 + 38 + 91 + 8 + 1 + 1 = 666.

It is not a de Polignac number, because 885113891811 - 2³ = 885113891803 is a prime.

It is a super-2 number, since 2×885113891811² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (885113881811) 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, 7983691 + ... + 8093796.

It is an arithmetic number, because the mean of its divisors is an integer number (81995188800).

Almost surely, 2^885113891811 is an apocalyptic number.

885113891811 is a deficient number, since it is larger than the sum of its proper divisors (426809128989).

885113891811 is a wasteful number, since it uses less digits than its factorization.

885113891811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16079535 (or 16079529 counting only the distinct ones).

The product of its digits is 552960, while the sum is 54.

The spelling of 885113891811 in words is "eight hundred eighty-five billion, one hundred thirteen million, eight hundred ninety-one thousand, eight hundred eleven".