5111123311 has 6 divisors (see below), whose sum is σ = 5945592480. Its totient is φ = 4380962796.

The previous prime is 5111123261. The next prime is 5111123333. The reversal of 5111123311 is 1133211115.

It is not a de Polignac number, because 5111123311 - 2³¹ = 2963639663 is a prime.

It is a super-2 number, since 2×5111123311² = 52247163000495205442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111127311) 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 5 ways as a sum of consecutive naturals, for example, 52154271 + ... + 52154368.

It is an arithmetic number, because the mean of its divisors is an integer number (990932080).

Almost surely, 2^5111123311 is an apocalyptic number.

5111123311 is a deficient number, since it is larger than the sum of its proper divisors (834469169).

5111123311 is a wasteful number, since it uses less digits than its factorization.

5111123311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104308653 (or 104308646 counting only the distinct ones).

The product of its digits is 90, while the sum is 19.

The square root of 5111123311 is about 71492.1206217860. The cubic root of 5111123311 is about 1722.5511213248.

Adding to 5111123311 its reverse (1133211115), we get a palindrome (6244334426).

It can be divided in two parts, 5 and 111123311, that multiplied together give a palindrome (555616555).

The spelling of 5111123311 in words is "five billion, one hundred eleven million, one hundred twenty-three thousand, three hundred eleven".