51106105055 has 8 divisors (see below), whose sum is σ = 61410996672. Its totient is φ = 40829103648.

The previous prime is 51106105051. The next prime is 51106105069. The reversal of 51106105055 is 55050160115.

It is a happy number.

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 51106105055 - 2² = 51106105051 is a prime.

It is a super-2 number, since 2×51106105055² (a number of 22 digits) 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 (51106105051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6968519 + ... + 6975848.

It is an arithmetic number, because the mean of its divisors is an integer number (7676374584).

Almost surely, 2^51106105055 is an apocalyptic number.

51106105055 is a deficient number, since it is larger than the sum of its proper divisors (10304891617).

51106105055 is a wasteful number, since it uses less digits than its factorization.

51106105055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13945105.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 51106105055 in words is "fifty-one billion, one hundred six million, one hundred five thousand, fifty-five".