105503182028 has 12 divisors (see below), whose sum is σ = 188114164560. Its totient is φ = 51756277872.

The previous prime is 105503182019. The next prime is 105503182049. The reversal of 105503182028 is 820281305501.

It is a super-2 number, since 2×105503182028² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 248828048 + ... + 248828471.

It is an arithmetic number, because the mean of its divisors is an integer number (15676180380).

Almost surely, 2^105503182028 is an apocalyptic number.

It is an amenable number.

105503182028 is a deficient number, since it is larger than the sum of its proper divisors (82610982532).

105503182028 is a wasteful number, since it uses less digits than its factorization.

105503182028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497656576 (or 497656574 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

Adding to 105503182028 its reverse (820281305501), we get a palindrome (925784487529).

The spelling of 105503182028 in words is "one hundred five billion, five hundred three million, one hundred eighty-two thousand, twenty-eight".