105111343240 has 32 divisors (see below), whose sum is σ = 248947920000. Its totient is φ = 39831666624.

The previous prime is 105111343217. The next prime is 105111343243. The reversal of 105111343240 is 42343111501.

It is a super-2 number, since 2×105111343240² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105111343243) 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 7 ways as a sum of consecutive naturals, for example, 69151440 + ... + 69152959.

It is an arithmetic number, because the mean of its divisors is an integer number (7779622500).

Almost surely, 2^105111343240 is an apocalyptic number.

105111343240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105111343240 is an abundant number, since it is smaller than the sum of its proper divisors (143836576760).

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

105111343240 is a wasteful number, since it uses less digits than its factorization.

105111343240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138304429 (or 138304425 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 105111343240 its reverse (42343111501), we get a palindrome (147454454741).

The spelling of 105111343240 in words is "one hundred five billion, one hundred eleven million, three hundred forty-three thousand, two hundred forty".