105809619100 has 18 divisors (see below), whose sum is σ = 229606873664. Its totient is φ = 42323847600.

The previous prime is 105809619067. The next prime is 105809619119. The reversal of 105809619100 is 1916908501.

It is a super-2 number, since 2×105809619100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 529047996 + ... + 529048195.

Almost surely, 2^105809619100 is an apocalyptic number.

105809619100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105809619100 is an abundant number, since it is smaller than the sum of its proper divisors (123797254564).

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

105809619100 is a wasteful number, since it uses less digits than its factorization.

105809619100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058096205 (or 1058096198 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 40.

The spelling of 105809619100 in words is "one hundred five billion, eight hundred nine million, six hundred nineteen thousand, one hundred".