105112105143 has 24 divisors (see below), whose sum is σ = 143430190848. Its totient is φ = 68440870368.

The previous prime is 105112105141. The next prime is 105112105169. The reversal of 105112105143 is 341501211501.

It is not a de Polignac number, because 105112105143 - 2¹ = 105112105141 is a prime.

It is a super-2 number, since 2×105112105143² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105112105141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70877280 + ... + 70878762.

It is an arithmetic number, because the mean of its divisors is an integer number (5976257952).

Almost surely, 2^105112105143 is an apocalyptic number.

105112105143 is a deficient number, since it is larger than the sum of its proper divisors (38318085705).

105112105143 is an frugal number, since it uses more digits than its factorization.

105112105143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951 (or 2242 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 105112105143 its reverse (341501211501), we get a palindrome (446613316644).

The spelling of 105112105143 in words is "one hundred five billion, one hundred twelve million, one hundred five thousand, one hundred forty-three".