100394832105 has 32 divisors (see below), whose sum is σ = 178710779520. Its totient is φ = 53474587200.

The previous prime is 100394832071. The next prime is 100394832107. The reversal of 100394832105 is 501238493001.

It is not a de Polignac number, because 100394832105 - 2¹⁴ = 100394815721 is a prime.

It is a super-2 number, since 2×100394832105² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100394832105.

It is not an unprimeable number, because it can be changed into a prime (100394832107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376671 + ... + 585380.

It is an arithmetic number, because the mean of its divisors is an integer number (5584711860).

Almost surely, 2^100394832105 is an apocalyptic number.

100394832105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100394832105 is a deficient number, since it is larger than the sum of its proper divisors (78315947415).

100394832105 is an equidigital number, since it uses as much as digits as its factorization.

100394832105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962838 (or 962832 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 100394832105 in words is "one hundred billion, three hundred ninety-four million, eight hundred thirty-two thousand, one hundred five".