516111101 has 12 divisors (see below), whose sum is σ = 573157116. Its totient is φ = 464344320.

The previous prime is 516111067. The next prime is 516111103. The reversal of 516111101 is 101111615.

It can be written as a sum of positive squares in 2 ways, for example, as 240219001 + 275892100 = 15499^2 + 16610^2 .

It is not a de Polignac number, because 516111101 - 2²⁶ = 449002237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 516111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516111103) 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 11 ways as a sum of consecutive naturals, for example, 10250 + ... + 33723.

It is an arithmetic number, because the mean of its divisors is an integer number (47763093).

Almost surely, 2^516111101 is an apocalyptic number.

It is an amenable number.

516111101 is a deficient number, since it is larger than the sum of its proper divisors (57046015).

516111101 is a wasteful number, since it uses less digits than its factorization.

516111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44092 (or 44081 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 17.

The square root of 516111101 is about 22718.0787259839. The cubic root of 516111101 is about 802.1354929526.

Adding to 516111101 its reverse (101111615), we get a palindrome (617222716).

The spelling of 516111101 in words is "five hundred sixteen million, one hundred eleven thousand, one hundred one".