61050105100105 has 16 divisors (see below), whose sum is σ = 80042526817344. Its totient is φ = 44332082418880.

The previous prime is 61050105100081. The next prime is 61050105100141. The reversal of 61050105100105 is 50100150105016.

It is not a de Polignac number, because 61050105100105 - 2¹⁵ = 61050105067337 is a prime.

It is a super-2 number, since 2×61050105100105² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61050105100105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849888979 + ... + 849960808.

It is an arithmetic number, because the mean of its divisors is an integer number (5002657926084).

Almost surely, 2^{61050105100105} is an apocalyptic number.

It is an amenable number.

61050105100105 is a deficient number, since it is larger than the sum of its proper divisors (18992421717239).

61050105100105 is a wasteful number, since it uses less digits than its factorization.

61050105100105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699850456.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 61050105100105 in words is "sixty-one trillion, fifty billion, one hundred five million, one hundred thousand, one hundred five".