198575001825 has 12 divisors (see below), whose sum is σ = 328310669808. Its totient is φ = 105906667600.

The previous prime is 198575001773. The next prime is 198575001841. The reversal of 198575001825 is 528100575891.

It is not a de Polignac number, because 198575001825 - 2⁶ = 198575001761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1323833271 + ... + 1323833420.

It is an arithmetic number, because the mean of its divisors is an integer number (27359222484).

Almost surely, 2^198575001825 is an apocalyptic number.

198575001825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198575001825 is a deficient number, since it is larger than the sum of its proper divisors (129735667983).

198575001825 is a wasteful number, since it uses less digits than its factorization.

198575001825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647666704 (or 2647666699 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 51.

The spelling of 198575001825 in words is "one hundred ninety-eight billion, five hundred seventy-five million, one thousand, eight hundred twenty-five".