5111105511 has 8 divisors (see below), whose sum is σ = 6824787840. Its totient is φ = 3402413432.

The previous prime is 5111105497. The next prime is 5111105557. The reversal of 5111105511 is 1155011115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5111105511 - 2⁵ = 5111105479 is a prime.

It is a super-2 number, since 2×5111105511² = 52246799089149142242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111105561) 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 7 ways as a sum of consecutive naturals, for example, 1245171 + ... + 1249268.

It is an arithmetic number, because the mean of its divisors is an integer number (853098480).

Almost surely, 2^5111105511 is an apocalyptic number.

5111105511 is a deficient number, since it is larger than the sum of its proper divisors (1713682329).

5111105511 is a wasteful number, since it uses less digits than its factorization.

5111105511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495125.

The product of its (nonzero) digits is 125, while the sum is 21.

The square root of 5111105511 is about 71491.9961324343. The cubic root of 5111105511 is about 1722.5491216700.

Adding to 5111105511 its reverse (1155011115), we get a palindrome (6266116626).

The spelling of 5111105511 in words is "five billion, one hundred eleven million, one hundred five thousand, five hundred eleven".