105578562845 has 32 divisors (see below), whose sum is σ = 149472145152. Its totient is φ = 70087191552.

The previous prime is 105578562841. The next prime is 105578562889. The reversal of 105578562845 is 548265875501.

It is not a de Polignac number, because 105578562845 - 2² = 105578562841 is a prime.

It is a super-2 number, since 2×105578562845² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105578562841) 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 31 ways as a sum of consecutive naturals, for example, 140342 + ... + 480471.

It is an arithmetic number, because the mean of its divisors is an integer number (4671004536).

Almost surely, 2^105578562845 is an apocalyptic number.

It is an amenable number.

105578562845 is a deficient number, since it is larger than the sum of its proper divisors (43893582307).

105578562845 is a wasteful number, since it uses less digits than its factorization.

105578562845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620981.

The product of its (nonzero) digits is 13440000, while the sum is 56.

The spelling of 105578562845 in words is "one hundred five billion, five hundred seventy-eight million, five hundred sixty-two thousand, eight hundred forty-five".