840011110047 has 24 divisors (see below), whose sum is σ = 1225941692976. Its totient is φ = 554196358656.

The previous prime is 840011110033. The next prime is 840011110051. The reversal of 840011110047 is 740011110048.

840011110047 is a `hidden beast` number, since 8 + 400 + 111 + 100 + 47 = 666.

It is not a de Polignac number, because 840011110047 - 2³¹ = 837863626399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 840011110047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840011110027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19321348 + ... + 19364774.

It is an arithmetic number, because the mean of its divisors is an integer number (51080903874).

Almost surely, 2^840011110047 is an apocalyptic number.

840011110047 is a deficient number, since it is larger than the sum of its proper divisors (385930582929).

840011110047 is a wasteful number, since it uses less digits than its factorization.

840011110047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65687 (or 65684 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

Subtracting from 840011110047 its reverse (740011110048), we obtain a palindrome (99999999999).

The spelling of 840011110047 in words is "eight hundred forty billion, eleven million, one hundred ten thousand, forty-seven".