100528280025 has 24 divisors (see below), whose sum is σ = 169743076224. Its totient is φ = 52474334400.

The previous prime is 100528280003. The next prime is 100528280059. The reversal of 100528280025 is 520082825001.

It is not a de Polignac number, because 100528280025 - 2⁷ = 100528279897 is a prime.

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, 14255806 + ... + 14262855.

It is an arithmetic number, because the mean of its divisors is an integer number (7072628176).

Almost surely, 2^100528280025 is an apocalyptic number.

100528280025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100528280025 is a deficient number, since it is larger than the sum of its proper divisors (69214796199).

100528280025 is a wasteful number, since it uses less digits than its factorization.

100528280025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28518721 (or 28518716 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The spelling of 100528280025 in words is "one hundred billion, five hundred twenty-eight million, two hundred eighty thousand, twenty-five".