50100105105 has 12 divisors (see below), whose sum is σ = 86840182260. Its totient is φ = 26720056032.

The previous prime is 50100105071. The next prime is 50100105149. The reversal of 50100105105 is 50150100105.

50100105105 is a `hidden beast` number, since 50 + 100 + 1 + 0 + 510 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7022272401 + 43077832704 = 83799^2 + 207552^2 .

It is not a de Polignac number, because 50100105105 - 2²⁰ = 50099056529 is a prime.

It is a super-2 number, since 2×50100105105² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 556667790 + ... + 556667879.

It is an arithmetic number, because the mean of its divisors is an integer number (7236681855).

Almost surely, 2^50100105105 is an apocalyptic number.

It is an amenable number.

50100105105 is a deficient number, since it is larger than the sum of its proper divisors (36740077155).

50100105105 is a wasteful number, since it uses less digits than its factorization.

50100105105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113335680 (or 1113335677 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Subtracting 50100105105 from its reverse (50150100105), we obtain a triangular number (49995000 = T₉₉₉₉).

The spelling of 50100105105 in words is "fifty billion, one hundred million, one hundred five thousand, one hundred five".