105109109092 has 12 divisors (see below), whose sum is σ = 198090244156. Its totient is φ = 48511896480.

The previous prime is 105109109033. The next prime is 105109109093. The reversal of 105109109092 is 290901901501.

It can be written as a sum of positive squares in 2 ways, for example, as 71435391076 + 33673718016 = 267274^2 + 183504^2 .

It is a super-2 number, since 2×105109109092² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105109109093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010664459 + ... + 1010664562.

Almost surely, 2^105109109092 is an apocalyptic number.

It is an amenable number.

105109109092 is a deficient number, since it is larger than the sum of its proper divisors (92981135064).

105109109092 is a wasteful number, since it uses less digits than its factorization.

105109109092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021329038 (or 2021329036 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 37.

The spelling of 105109109092 in words is "one hundred five billion, one hundred nine million, one hundred nine thousand, ninety-two".