4775121111 has 4 divisors (see below), whose sum is σ = 6366828152. Its totient is φ = 3183414072.

The previous prime is 4775121079. The next prime is 4775121151. The reversal of 4775121111 is 1111215774.

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

It is not a de Polignac number, because 4775121111 - 2⁵ = 4775121079 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 (4775121151) 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, 795853516 + ... + 795853521.

It is an arithmetic number, because the mean of its divisors is an integer number (1591707038).

Almost surely, 2^4775121111 is an apocalyptic number.

4775121111 is a deficient number, since it is larger than the sum of its proper divisors (1591707041).

4775121111 is a wasteful number, since it uses less digits than its factorization.

4775121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591707040.

The product of its digits is 1960, while the sum is 30.

The square root of 4775121111 is about 69102.2511283099. The cubic root of 4775121111 is about 1683.9458825606.

Adding to 4775121111 its reverse (1111215774), we get a palindrome (5886336885).

The spelling of 4775121111 in words is "four billion, seven hundred seventy-five million, one hundred twenty-one thousand, one hundred eleven".