28505100110 has 16 divisors (see below), whose sum is σ = 52178828400. Its totient is φ = 11208784896.

The previous prime is 28505100073. The next prime is 28505100119. The reversal of 28505100110 is 1100150582.

It is a super-2 number, since 2×28505100110² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28505100119) 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 7 ways as a sum of consecutive naturals, for example, 24156275 + ... + 24157454.

It is an arithmetic number, because the mean of its divisors is an integer number (3261176775).

Almost surely, 2^28505100110 is an apocalyptic number.

28505100110 is a deficient number, since it is larger than the sum of its proper divisors (23673728290).

28505100110 is a wasteful number, since it uses less digits than its factorization.

28505100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48313795.

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 28505100110 its reverse (1100150582), we get a palindrome (29605250692).

The spelling of 28505100110 in words is "twenty-eight billion, five hundred five million, one hundred thousand, one hundred ten".