105643110540256 has 24 divisors (see below), whose sum is σ = 212821731410904. Its totient is φ = 51593147007360.

The previous prime is 105643110540241. The next prime is 105643110540259. The reversal of 105643110540256 is 652045011346501.

It is a super-2 number, since 2×105643110540256² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105643110540259) 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 3 ways as a sum of consecutive naturals, for example, 38387756815 + ... + 38387759566.

It is an arithmetic number, because the mean of its divisors is an integer number (8867572142121).

Almost surely, 2^{105643110540256} is an apocalyptic number.

105643110540256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

105643110540256 is an abundant number, since it is smaller than the sum of its proper divisors (107178620870648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105643110540256 is an equidigital number, since it uses as much as digits as its factorization.

105643110540256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76775516434 (or 76775516426 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

Adding to 105643110540256 its reverse (652045011346501), we get a palindrome (757688121886757).

The spelling of 105643110540256 in words is "one hundred five trillion, six hundred forty-three billion, one hundred ten million, five hundred forty thousand, two hundred fifty-six".