51550560110105 has 12 divisors (see below), whose sum is σ = 71960373705060. Its totient is φ = 35348955503904.

The previous prime is 51550560110099. The next prime is 51550560110173. The reversal of 51550560110105 is 50101106505515.

It can be written as a sum of positive squares in 2 ways, for example, as 10044766745104 + 41505793365001 = 3169348^2 + 6442499^2 .

It is not a de Polignac number, because 51550560110105 - 2²⁴ = 51550543332889 is a prime.

It is a super-2 number, since 2×51550560110105² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105205224470 + ... + 105205224959.

It is an arithmetic number, because the mean of its divisors is an integer number (5996697808755).

Almost surely, 2^{51550560110105} is an apocalyptic number.

It is an amenable number.

51550560110105 is a deficient number, since it is larger than the sum of its proper divisors (20409813594955).

51550560110105 is a wasteful number, since it uses less digits than its factorization.

51550560110105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210410449448 (or 210410449441 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 51550560110105 in words is "fifty-one trillion, five hundred fifty billion, five hundred sixty million, one hundred ten thousand, one hundred five".