84000111110001 has 24 divisors (see below), whose sum is σ = 122266403925120. Its totient is φ = 55571146740000.

The previous prime is 84000111109963. The next prime is 84000111110017. The reversal of 84000111110001 is 10001111100048.

It is a happy number.

It is not a de Polignac number, because 84000111110001 - 2¹¹ = 84000111107953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84000111117001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67994166 + ... + 69218543.

It is an arithmetic number, because the mean of its divisors is an integer number (5094433496880).

Almost surely, 2^{84000111110001} is an apocalyptic number.

It is an amenable number.

84000111110001 is a deficient number, since it is larger than the sum of its proper divisors (38266292815119).

84000111110001 is a wasteful number, since it uses less digits than its factorization.

84000111110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137213237 (or 137213234 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 84000111110001 its reverse (10001111100048), we get a palindrome (94001222210049).

The spelling of 84000111110001 in words is "eighty-four trillion, one hundred eleven million, one hundred ten thousand, one".