51116105 has 4 divisors (see below), whose sum is σ = 61339332. Its totient is φ = 40892880.

The previous prime is 51116101. The next prime is 51116111. The reversal of 51116105 is 50161115.

51116105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50161115 = 5 ⋅10032223.

It can be written as a sum of positive squares in 2 ways, for example, as 19430464 + 31685641 = 4408^2 + 5629^2 .

It is not a de Polignac number, because 51116105 - 2² = 51116101 is a prime.

It is a super-2 number, since 2×51116105² = 5225712380742050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51116101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5111606 + ... + 5111615.

It is an arithmetic number, because the mean of its divisors is an integer number (15334833).

Almost surely, 2^51116105 is an apocalyptic number.

It is an amenable number.

51116105 is a deficient number, since it is larger than the sum of its proper divisors (10223227).

51116105 is a wasteful number, since it uses less digits than its factorization.

51116105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223226.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 51116105 is about 7149.5527832166. The cubic root of 51116105 is about 371.1241801373.

The spelling of 51116105 in words is "fifty-one million, one hundred sixteen thousand, one hundred five".