5111691 has 16 divisors (see below), whose sum is σ = 7481376. Its totient is φ = 3085056.

The previous prime is 5111651. The next prime is 5111693. The reversal of 5111691 is 1961115.

It is not a de Polignac number, because 5111691 - 2⁷ = 5111563 is a prime.

It is a super-2 number, since 2×5111691² = 52258769758962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831 + ... + 3303.

It is an arithmetic number, because the mean of its divisors is an integer number (467586).

Almost surely, 2^5111691 is an apocalyptic number.

5111691 is a deficient number, since it is larger than the sum of its proper divisors (2369685).

5111691 is a wasteful number, since it uses less digits than its factorization.

5111691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542.

The product of its digits is 270, while the sum is 24.

The square root of 5111691 is about 2260.9049073325. The cubic root of 5111691 is about 172.2614893159.

The spelling of 5111691 in words is "five million, one hundred eleven thousand, six hundred ninety-one".