5011111311 has 4 divisors (see below), whose sum is σ = 6681481752. Its totient is φ = 3340740872.

The previous prime is 5011111309. The next prime is 5011111333. The reversal of 5011111311 is 1131111105.

5011111311 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5011111311 - 2¹ = 5011111309 is a prime.

It is a super-2 number, since 2×5011111311² = 50222473142464277442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5011111351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835185216 + ... + 835185221.

It is an arithmetic number, because the mean of its divisors is an integer number (1670370438).

Almost surely, 2^5011111311 is an apocalyptic number.

5011111311 is a deficient number, since it is larger than the sum of its proper divisors (1670370441).

5011111311 is a wasteful number, since it uses less digits than its factorization.

5011111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670370440.

The product of its (nonzero) digits is 15, while the sum is 15.

The square root of 5011111311 is about 70789.2033505110. The cubic root of 5011111311 is about 1711.2416811776.

Adding to 5011111311 its reverse (1131111105), we get a palindrome (6142222416).

The spelling of 5011111311 in words is "five billion, eleven million, one hundred eleven thousand, three hundred eleven".