51110111105 has 8 divisors (see below), whose sum is σ = 62758462272. Its totient is φ = 39937202928.

The previous prime is 51110111083. The next prime is 51110111119. The reversal of 51110111105 is 50111101115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51110111105 - 2²² = 51105916801 is a prime.

It is a super-2 number, since 2×51110111105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 118860509 + ... + 118860938.

It is an arithmetic number, because the mean of its divisors is an integer number (7844807784).

Almost surely, 2^51110111105 is an apocalyptic number.

It is an amenable number.

51110111105 is a deficient number, since it is larger than the sum of its proper divisors (11648351167).

51110111105 is a wasteful number, since it uses less digits than its factorization.

51110111105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237721495.

The product of its (nonzero) digits is 25, while the sum is 17.

The spelling of 51110111105 in words is "fifty-one billion, one hundred ten million, one hundred eleven thousand, one hundred five".