528138510100 has 72 divisors (see below), whose sum is σ = 1152948651008. Its totient is φ = 209988979200.

The previous prime is 528138510083. The next prime is 528138510121. The reversal of 528138510100 is 1015831825.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13162669 + ... + 13202731.

Almost surely, 2^528138510100 is an apocalyptic number.

528138510100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

528138510100 is an abundant number, since it is smaller than the sum of its proper divisors (624810140908).

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

528138510100 is a wasteful number, since it uses less digits than its factorization.

528138510100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40865 (or 40858 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 34.

The spelling of 528138510100 in words is "five hundred twenty-eight billion, one hundred thirty-eight million, five hundred ten thousand, one hundred".