5611131123 has 16 divisors (see below), whose sum is σ = 8076731040. Its totient is φ = 3444551424.

The previous prime is 5611131121. The next prime is 5611131139. The reversal of 5611131123 is 3211311165.

It is not a de Polignac number, because 5611131123 - 2¹ = 5611131121 is a prime.

It is a super-2 number, since 2×5611131123² = 62969584958998482258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5611131093 and 5611131102.

It is not an unprimeable number, because it can be changed into a prime (5611131121) 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 15 ways as a sum of consecutive naturals, for example, 159936 + ... + 191837.

It is an arithmetic number, because the mean of its divisors is an integer number (504795690).

Almost surely, 2^5611131123 is an apocalyptic number.

5611131123 is a deficient number, since it is larger than the sum of its proper divisors (2465599917).

5611131123 is a wasteful number, since it uses less digits than its factorization.

5611131123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352198.

The product of its digits is 540, while the sum is 24.

The square root of 5611131123 is about 74907.4837583001. The cubic root of 5611131123 is about 1776.9838162810.

Adding to 5611131123 its reverse (3211311165), we get a palindrome (8822442288).

The spelling of 5611131123 in words is "five billion, six hundred eleven million, one hundred thirty-one thousand, one hundred twenty-three".