5111000 has 64 divisors (see below), whose sum is σ = 12636000. Its totient is φ = 1929600.

The previous prime is 5110997. The next prime is 5111011. The reversal of 5111000 is 1115.

It is a happy number.

It is a super-2 number, since 2×5111000² = 52244642000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18866 + ... + 19134.

Almost surely, 2^5111000 is an apocalyptic number.

5111000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6318000).

5111000 is an abundant number, since it is smaller than the sum of its proper divisors (7525000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5111000 is a wasteful number, since it uses less digits than its factorization.

5111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 8.

The square root of 5111000 is about 2260.7520872488. The cubic root of 5111000 is about 172.2537268453.

Adding to 5111000 its reverse (1115), we get a palindrome (5112115).

The spelling of 5111000 in words is "five million, one hundred eleven thousand".