5111016511 has 4 divisors (see below), whose sum is σ = 5380017400. Its totient is φ = 4842015624.

The previous prime is 5111016503. The next prime is 5111016539. The reversal of 5111016511 is 1156101115.

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 5111016511 - 2³ = 5111016503 is a prime.

It is a super-2 number, since 2×5111016511² = 52244979551429226242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111014511) 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, 134500416 + ... + 134500453.

It is an arithmetic number, because the mean of its divisors is an integer number (1345004350).

Almost surely, 2^5111016511 is an apocalyptic number.

5111016511 is a deficient number, since it is larger than the sum of its proper divisors (269000889).

5111016511 is a wasteful number, since it uses less digits than its factorization.

5111016511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269000888.

The product of its (nonzero) digits is 150, while the sum is 22.

The square root of 5111016511 is about 71491.3736824241. The cubic root of 5111016511 is about 1722.5391233268.

Adding to 5111016511 its reverse (1156101115), we get a palindrome (6267117626).

The spelling of 5111016511 in words is "five billion, one hundred eleven million, sixteen thousand, five hundred eleven".