105501100 has 36 divisors (see below), whose sum is σ = 231061600. Its totient is φ = 41808960.

The previous prime is 105501083. The next prime is 105501107. The reversal of 105501100 is 1105501.

It is a super-2 number, since 2×105501100² = 22260964202420000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105501107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6061 + ... + 15739.

Almost surely, 2^105501100 is an apocalyptic number.

105501100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105501100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115530800).

105501100 is an abundant number, since it is smaller than the sum of its proper divisors (125560500).

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

105501100 is a wasteful number, since it uses less digits than its factorization.

105501100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9802 (or 9795 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 105501100 is about 10271.3728391097. The cubic root of 105501100 is about 472.5186950788.

Adding to 105501100 its reverse (1105501), we get a palindrome (106606601).

The spelling of 105501100 in words is "one hundred five million, five hundred one thousand, one hundred".