5113312111 has 4 divisors (see below), whose sum is σ = 5209789752. Its totient is φ = 5016834472.

The previous prime is 5113312093. The next prime is 5113312157. The reversal of 5113312111 is 1112133115.

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 5113312111 - 2⁵ = 5113312079 is a prime.

It is a super-2 number, since 2×5113312111² = 52291921488998552642, 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 (5113312181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48238741 + ... + 48238846.

It is an arithmetic number, because the mean of its divisors is an integer number (1302447438).

Almost surely, 2^5113312111 is an apocalyptic number.

5113312111 is a deficient number, since it is larger than the sum of its proper divisors (96477641).

5113312111 is an equidigital number, since it uses as much as digits as its factorization.

5113312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96477640.

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

The square root of 5113312111 is about 71507.4269639175. The cubic root of 5113312111 is about 1722.7969760739.

Adding to 5113312111 its reverse (1112133115), we get a palindrome (6225445226).

The spelling of 5113312111 in words is "five billion, one hundred thirteen million, three hundred twelve thousand, one hundred eleven".