105545044125412 has 12 divisors (see below), whose sum is σ = 184756018209840. Its totient is φ = 52757610351176.

The previous prime is 105545044125349. The next prime is 105545044125449. The reversal of 105545044125412 is 214521440545501.

It is a super-2 number, since 2×105545044125412² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3727911958 + ... + 3727940269.

It is an arithmetic number, because the mean of its divisors is an integer number (15396334850820).

Almost surely, 2^{105545044125412} is an apocalyptic number.

It is an amenable number.

105545044125412 is a deficient number, since it is larger than the sum of its proper divisors (79210974084428).

105545044125412 is a wasteful number, since it uses less digits than its factorization.

105545044125412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7455855770 (or 7455855768 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 43.

The spelling of 105545044125412 in words is "one hundred five trillion, five hundred forty-five billion, forty-four million, one hundred twenty-five thousand, four hundred twelve".