105802817908 has 12 divisors (see below), whose sum is σ = 185158112832. Its totient is φ = 52900499960.

The previous prime is 105802817881. The next prime is 105802817909. The reversal of 105802817908 is 809718208501.

It is a super-2 number, since 2×105802817908² (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 (105802817909) 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 3 ways as a sum of consecutive naturals, for example, 81141 + ... + 467107.

It is an arithmetic number, because the mean of its divisors is an integer number (15429842736).

Almost surely, 2^105802817908 is an apocalyptic number.

It is an amenable number.

105802817908 is a deficient number, since it is larger than the sum of its proper divisors (79355294924).

105802817908 is a wasteful number, since it uses less digits than its factorization.

105802817908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454502 (or 454500 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 49.

The spelling of 105802817908 in words is "one hundred five billion, eight hundred two million, eight hundred seventeen thousand, nine hundred eight".