105089421871 has 24 divisors (see below), whose sum is σ = 125281371600. Its totient is φ = 87842563200.

The previous prime is 105089421863. The next prime is 105089421947. The reversal of 105089421871 is 178124980501.

It is not a de Polignac number, because 105089421871 - 2³ = 105089421863 is a prime.

It is a super-2 number, since 2×105089421871² (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 (105089421821) 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, 5412601 + ... + 5431981.

It is an arithmetic number, because the mean of its divisors is an integer number (5220057150).

Almost surely, 2^105089421871 is an apocalyptic number.

105089421871 is a deficient number, since it is larger than the sum of its proper divisors (20191949729).

105089421871 is a wasteful number, since it uses less digits than its factorization.

105089421871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22135 (or 22128 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 46.

The spelling of 105089421871 in words is "one hundred five billion, eighty-nine million, four hundred twenty-one thousand, eight hundred seventy-one".