5111911 has 8 divisors (see below), whose sum is σ = 6096384. Its totient is φ = 4191000.

The previous prime is 5111891. The next prime is 5111923. The reversal of 5111911 is 1191115.

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 5111911 - 2⁵ = 5111879 is a prime.

It is a super-2 number, since 2×5111911² = 52263268143842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111941) 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, 15715 + ... + 16036.

It is an arithmetic number, because the mean of its divisors is an integer number (762048).

Almost surely, 2^5111911 is an apocalyptic number.

5111911 is a deficient number, since it is larger than the sum of its proper divisors (984473).

5111911 is a wasteful number, since it uses less digits than its factorization.

5111911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31781.

The product of its digits is 45, while the sum is 19.

The square root of 5111911 is about 2260.9535598946. The cubic root of 5111911 is about 172.2639605779.

The spelling of 5111911 in words is "five million, one hundred eleven thousand, nine hundred eleven".