100105056105 has 16 divisors (see below), whose sum is σ = 162558659904. Its totient is φ = 52592506560.

The previous prime is 100105056101. The next prime is 100105056113. The reversal of 100105056105 is 501650501001.

It is not a de Polignac number, because 100105056105 - 2² = 100105056101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100105056101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49802506 + ... + 49804515.

It is an arithmetic number, because the mean of its divisors is an integer number (10159916244).

Almost surely, 2^100105056105 is an apocalyptic number.

100105056105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100105056105 is a deficient number, since it is larger than the sum of its proper divisors (62453603799).

100105056105 is an equidigital number, since it uses as much as digits as its factorization.

100105056105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99607096.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 100105056105 its reverse (501650501001), we get a palindrome (601755557106).

The spelling of 100105056105 in words is "one hundred billion, one hundred five million, fifty-six thousand, one hundred five".