4985854711111 has 4 divisors (see below), whose sum is σ = 5011163618472. Its totient is φ = 4960545803752.

The previous prime is 4985854711091. The next prime is 4985854711141. The reversal of 4985854711111 is 1111174585894.

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-4985854711111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4985854711141) 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 3 ways as a sum of consecutive naturals, for example, 12654453385 + ... + 12654453778.

It is an arithmetic number, because the mean of its divisors is an integer number (1252790904618).

Almost surely, 2^{4985854711111} is an apocalyptic number.

4985854711111 is a deficient number, since it is larger than the sum of its proper divisors (25308907361).

4985854711111 is a wasteful number, since it uses less digits than its factorization.

4985854711111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25308907360.

The product of its digits is 1612800, while the sum is 55.

It can be divided in two parts, 4985854 and 711111, that added together give a palindrome (5696965).

The spelling of 4985854711111 in words is "four trillion, nine hundred eighty-five billion, eight hundred fifty-four million, seven hundred eleven thousand, one hundred eleven".