105555613745 has 16 divisors (see below), whose sum is σ = 129647770560. Its totient is φ = 82458204864.

The previous prime is 105555613739. The next prime is 105555613747. The reversal of 105555613745 is 547316555501.

It is a cyclic number.

It is not a de Polignac number, because 105555613745 - 2⁴ = 105555613729 is a prime.

It is a super-3 number, since 3×105555613745³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105555613745.

It is not an unprimeable number, because it can be changed into a prime (105555613747) 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, 747527 + ... + 877443.

It is an arithmetic number, because the mean of its divisors is an integer number (8102985660).

Almost surely, 2^105555613745 is an apocalyptic number.

It is an amenable number.

105555613745 is a deficient number, since it is larger than the sum of its proper divisors (24092156815).

105555613745 is a wasteful number, since it uses less digits than its factorization.

105555613745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133744.

The product of its (nonzero) digits is 1575000, while the sum is 47.

The spelling of 105555613745 in words is "one hundred five billion, five hundred fifty-five million, six hundred thirteen thousand, seven hundred forty-five".