51110055110055 has 16 divisors (see below), whose sum is σ = 83516004946944. Its totient is φ = 26678723801760.

The previous prime is 51110055110039. The next prime is 51110055110077. The reversal of 51110055110055 is 55001155001115.

It is a happy number.

It is not a de Polignac number, because 51110055110055 - 2⁴ = 51110055110039 is a prime.

It is a super-2 number, since 2×51110055110055² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36248265331 + ... + 36248266740.

It is an arithmetic number, because the mean of its divisors is an integer number (5219750309184).

Almost surely, 2^{51110055110055} is an apocalyptic number.

51110055110055 is a deficient number, since it is larger than the sum of its proper divisors (32405949836889).

51110055110055 is a wasteful number, since it uses less digits than its factorization.

51110055110055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72496532126.

The product of its (nonzero) digits is 3125, while the sum is 30.

The spelling of 51110055110055 in words is "fifty-one trillion, one hundred ten billion, fifty-five million, one hundred ten thousand, fifty-five".