105155545543 has 8 divisors (see below), whose sum is σ = 115502659200. Its totient is φ = 95289693048.

The previous prime is 105155545531. The next prime is 105155545609. The reversal of 105155545543 is 345545551501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105155545543 - 2⁵ = 105155545511 is a prime.

It is a super-2 number, since 2×105155545543² (a number of 23 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 105155545543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105155545043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120314833 + ... + 120315706.

It is an arithmetic number, because the mean of its divisors is an integer number (14437832400).

Almost surely, 2^105155545543 is an apocalyptic number.

105155545543 is a deficient number, since it is larger than the sum of its proper divisors (10347113657).

105155545543 is a wasteful number, since it uses less digits than its factorization.

105155545543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240630581.

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 105155545543 in words is "one hundred five billion, one hundred fifty-five million, five hundred forty-five thousand, five hundred forty-three".