5111311 has 4 divisors (see below), whose sum is σ = 5276224. Its totient is φ = 4946400.

The previous prime is 5111303. The next prime is 5111317. The reversal of 5111311 is 1131115.

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 5111311 - 2³ = 5111303 is a prime.

It is a super-2 number, since 2×5111311² = 52251000277442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5111291 and 5111300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111317) 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, 82410 + ... + 82471.

It is an arithmetic number, because the mean of its divisors is an integer number (1319056).

Almost surely, 2^5111311 is an apocalyptic number.

5111311 is a deficient number, since it is larger than the sum of its proper divisors (164913).

5111311 is a wasteful number, since it uses less digits than its factorization.

5111311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164912.

The product of its digits is 15, while the sum is 13.

The square root of 5111311 is about 2260.8208686227. The cubic root of 5111311 is about 172.2572206053.

Adding to 5111311 its reverse (1131115), we get a palindrome (6242426).

The spelling of 5111311 in words is "five million, one hundred eleven thousand, three hundred eleven".