5111050111 has 4 divisors (see below), whose sum is σ = 5172629112. Its totient is φ = 5049471112.

The previous prime is 5111050099. The next prime is 5111050129. The reversal of 5111050111 is 1110501115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5111050111 is a prime.

It is a super-4 number, since 4×5111050111⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111050181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30789376 + ... + 30789541.

It is an arithmetic number, because the mean of its divisors is an integer number (1293157278).

Almost surely, 2^5111050111 is an apocalyptic number.

5111050111 is a deficient number, since it is larger than the sum of its proper divisors (61579001).

5111050111 is an equidigital number, since it uses as much as digits as its factorization.

5111050111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61579000.

The product of its (nonzero) digits is 25, while the sum is 16.

The square root of 5111050111 is about 71491.6086754243. The cubic root of 5111050111 is about 1722.5428979959.

Adding to 5111050111 its reverse (1110501115), we get a palindrome (6221551226).

The spelling of 5111050111 in words is "five billion, one hundred eleven million, fifty thousand, one hundred eleven".