20004357167111 has 4 divisors (see below), whose sum is σ = 21181084059312. Its totient is φ = 18827630274912.

The previous prime is 20004357167033. The next prime is 20004357167191. The reversal of 20004357167111 is 11176175340002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20004357167111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004357167191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588363446075 + ... + 588363446108.

It is an arithmetic number, because the mean of its divisors is an integer number (5295271014828).

Almost surely, 2^{20004357167111} is an apocalyptic number.

20004357167111 is a deficient number, since it is larger than the sum of its proper divisors (1176726892201).

20004357167111 is a wasteful number, since it uses less digits than its factorization.

20004357167111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176726892200.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 20004357167111 in words is "twenty trillion, four billion, three hundred fifty-seven million, one hundred sixty-seven thousand, one hundred eleven".