61050500105 has 16 divisors (see below), whose sum is σ = 83823911040. Its totient is φ = 41814444672.

The previous prime is 61050500083. The next prime is 61050500107. The reversal of 61050500105 is 50100505016.

It is not a de Polignac number, because 61050500105 - 2²⁴ = 61033722889 is a prime.

It is a super-2 number, since 2×61050500105² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61050500107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985244 + ... + 1045373.

It is an arithmetic number, because the mean of its divisors is an integer number (5238994440).

Almost surely, 2^61050500105 is an apocalyptic number.

It is an amenable number.

61050500105 is a deficient number, since it is larger than the sum of its proper divisors (22773410935).

61050500105 is a wasteful number, since it uses less digits than its factorization.

61050500105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031488.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 61050500105 in words is "sixty-one billion, fifty million, five hundred thousand, one hundred five".