7005611121 has 16 divisors (see below), whose sum is σ = 9397733184. Its totient is φ = 4642018304.

The previous prime is 7005611111. The next prime is 7005611131. The reversal of 7005611121 is 1211165007.

It is an interprime number because it is at equal distance from previous prime (7005611111) and next prime (7005611131).

It is a cyclic number.

It is not a de Polignac number, because 7005611121 - 2²⁷ = 6871393393 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7005611091 and 7005611100.

It is not an unprimeable number, because it can be changed into a prime (7005611111) 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, 411841 + ... + 428513.

It is an arithmetic number, because the mean of its divisors is an integer number (587358324).

Almost surely, 2^7005611121 is an apocalyptic number.

It is an amenable number.

7005611121 is a deficient number, since it is larger than the sum of its proper divisors (2392122063).

7005611121 is a wasteful number, since it uses less digits than its factorization.

7005611121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17520.

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 7005611121 is about 83699.5287979568. The cubic root of 7005611121 is about 1913.4421742775.

Adding to 7005611121 its reverse (1211165007), we get a palindrome (8216776128).

The spelling of 7005611121 in words is "seven billion, five million, six hundred eleven thousand, one hundred twenty-one".