711811121 has 16 divisors (see below), whose sum is σ = 835236864. Its totient is φ = 593916624.

The previous prime is 711811109. The next prime is 711811129. The reversal of 711811121 is 121118117.

It is not a de Polignac number, because 711811121 - 2¹⁰ = 711810097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (711811129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88556 + ... + 96258.

It is an arithmetic number, because the mean of its divisors is an integer number (52202304).

Almost surely, 2^711811121 is an apocalyptic number.

It is an amenable number.

711811121 is a deficient number, since it is larger than the sum of its proper divisors (123425743).

711811121 is a wasteful number, since it uses less digits than its factorization.

711811121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8060.

The product of its digits is 112, while the sum is 23.

The square root of 711811121 is about 26679.7886236005. The cubic root of 711811121 is about 892.8700517789.

Adding to 711811121 its reverse (121118117), we get a palindrome (832929238).

The spelling of 711811121 in words is "seven hundred eleven million, eight hundred eleven thousand, one hundred twenty-one".