5311111 has 8 divisors (see below), whose sum is σ = 5751200. Its totient is φ = 4875552.

The previous prime is 5311067. The next prime is 5311129. The reversal of 5311111 is 1111135.

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 5311111 - 2⁷ = 5310983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

5311111 is a modest number, since divided by 1111 gives 531 as remainder.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 5311091 and 5311100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5311151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561 + ... + 3613.

It is an arithmetic number, because the mean of its divisors is an integer number (718900).

Almost surely, 2^5311111 is an apocalyptic number.

5311111 is a deficient number, since it is larger than the sum of its proper divisors (440089).

5311111 is a wasteful number, since it uses less digits than its factorization.

5311111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265.

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

The square root of 5311111 is about 2304.5847782193. The cubic root of 5311111 is about 174.4730926785.

Adding to 5311111 its reverse (1111135), we get a palindrome (6422246).

The spelling of 5311111 in words is "five million, three hundred eleven thousand, one hundred eleven".